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Items where Subject is "05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals > Clinic for Zoo Animals, Exotic Pets and Wildlife" - Zurich Open Repository and Archive

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Hagen, Katharina; Espie, Ian; Lane, Emily P; Kotze, Antoinette; Clauss, M; Codron, D (2014). Mortality and diseases in greater flamingo (Phoenicopterus roseus) and Carribean flamingo (Phoenicopterus ruber) kept at the National Zoological Garderns of South Africa. In: International Conference on Diseases of Zoo and Wild Animals, Warshaw, Poland, 28 May 2014 - 31 May 2014, 57-64.

Clauss, M; Hatt, J M (2014). Nutritional diseases: From bottle feeding to geriatric issues. In: International Conference on Diseases of Zoo and Wild Animals, Warshaw, Poland, 28 May 2014 - 31 May 2014, 83-87.

Dermauw, Veronique; De Cuyper, A; Duchateau, L; Waseyehon, A; Dierenfeld, E; Clauss, M; Peters, I R; Du Laing, G; Janssens, G P J (2014). A disparate trace element metabolism in zebu (Bos indicus) and crossbred (Bos indicus × Bos taurus) cattle in response to a copper-deficient diet. Journal of Animal Science, 92:3007-3017.

Lemaître, Jean-François; Müller, D W H; Clauss, M (2014). A test of the metabolic theory of ecology with two longevity data sets reveals no common cause of scaling in biological times. Mammal Review, 44(3-4):204-214.

Azmanis, Panagiotis N; Wernick, Morena B; Hatt, Jean-Michel (2014). Avian luxations: occurrence, diagnosis and treatment. Veterinary Quarterly, 34(1):11-21.

Lane, Emily P; Clauss, M; Kock, Nancy D; Hill, F W Graham; Majok, Aggrey A; Kotze, Antoinette; Codron, Daryl (2014). Body condition and ruminal morphology responses of free-ranging impala (Aepyceros melampus) to changes in diet. European Journal of Wildlife Research, 60(4):599-612.

Dittmann, Marie T; Hummel, Jürgen; Runge, Ullrich; Galeffi, Cordula; Kreuzer, Michael; Clauss, Marcus (2014). Characterising an artiodactyl family inhabiting arid habitats by its metabolism: Low metabolism and maintenance requirements in camelids. Journal of Arid Environments, 107:41-48.

Matsuda, I; Akiyama, Y; Tuuga, A; Bernard, H; Clauss, M (2014). Daily feeding rhythm in proboscis monkeys: a preliminary comparison with other non-human primates. Primates, 55(2):313-326.

Gattiker, Cristina; Espie, Ian; Kotze, Antoinette; Lane, Emily P; Codron, D; Clauss, M (2014). Diet and diet-related disorders in captive ruminants at the national zoological gardens of South Africa. Zoo Biology, 33(5):426-432.

Steuer, Patrick; Südekum, Karl-Heinz; Tütken, Thomas; Müller, Dennis W H; Kaandorp, Jacques; Bucher, Martin; Clauss, M; Hummel, Jürgen (2014). Does body mass convey a digestive advantage for large herbivores? Functional Ecology, 28(5):1127-1134.

Hagen, Katharina; Clauss, M; Hatt, J M (2014). Drinking preferences in chinchillas (Chinchilla laniger), degus (Octodon degu) and guinea pigs (Cavia porcellus). Journal of Animal Physiology and Animal Nutrition, 98(5):942-947.

Venkataraman, Vivek V; Glowacka, Halszka; Fritz, Julia; Clauss, M; Seyoum, Chalachew; Nguyen, Nga; Fashing, Peter J (2014). Effects of dietary fracture toughness and dental wear on chewing efficiency in geladas (Theropithecus gelada). American Journal of Physical Anthropology, 155(1):17-32.

Dittmann, Marie T; Hebel, Christiana; Hammer, Sven; Hummel, Jürgen; Ortmann, Sylvia; Arif, Abdi; Bouts, Tim; Kreuzer, Michael; Clauss, Marcus (2014). Energy requirements and metabolism of the Phillip's dikdik (Madoqua saltiana phillipsi). Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology, 167:45-51.

Azmanis, Panagiotis N; Voss, Katja; Hatt, J M (2014). Evaluation of Short-term Outcomes of Experimental Stifle Luxation in Feral Pigeons (Columba livia domestica) Treated with a Hinged Transarticular External Skeletal Fixator and Physical Therapy. International Journal of Applied Research in Veterinary Medicine, 12:157-166.

Matsuda, I; Tuuga, A; Hashimoto, C; Bernard, H; Yamagiwa, J; Fritz, J; Tsubokawa, K; Yayota, M; Murai, T; Iwata, Y; Clauss, M (2014). Faecal particle size in free‑ranging primates supports a ‘rumination’ strategy in the proboscis monkey (Nasalis larvatus). Oecologia, 174(4):1127-1137.

Müller, Jacqueline; Clauss, Marcus; Codron, Daryl; Schulz, Ellen; Hummel, Jürgen; Fortelius, Mikael; Kircher, Patrick; Hatt, Jean-Michel (2014). Growth and wear of incisor and cheek teeth in domestic rabbits (Oryctolagus cuniculus) fed diets of different abrasiveness. Journal of Experimental Zoology. Part A: Ecological Genetics and Physiology, 321(5):283-298.

Dittmann, Marie T; Dammhahn, Melanie; Kappeler, Peter M (2014). Investigating behavior and ecology of Aphaenogaster swammerdami (Formicidae) in selectively logged forest: 20 years later – a happy ant? Malagasy Nature, 8:35-48.

Clauss, M; Dittmann, Marie T; Müller, Dennis W H; Zerbe, Philipp; Codron, Daryl (2014). Low scaling of a life history variable: Analysing eutherian gestation periods with and without phylogeny-informed statistics. Mammalian Biology - Zeitschrift für Säugetierkunde, 79(1):9-16.

Dittmann, Marie T; Runge, Ullrich; Lang, Richard A; Moser, Dario; Galeffi, Cordula; Kreuzer, Michael; Clauss, M (2014). Methane Emission by Camelids. PLoS ONE, 9(4):e94363.

Clauss, M; Rössner, G E (2014). Old world ruminant morphophysiology, life history, and fossil record: exploring key innovations of a diversification sequence. Annales Zoologici Fennici, 51:80-94.

Wernick, M B; Dennler, M; Beckmann, K; Schybli, M; Albini, S; Hoop, Richard K; Steffen, F; Kircher, P R; Hatt, J M (2014). Peripheral nerve sheath tumor in a subadult golden eagle (Aquila chrysaetos). Journal of Avian Medicine and Surgery, 28:57-63.

Wyss, F; Wenker, C (2014). Phoenicopteriformes. In: Miller, Eric; Fowler, Murray. Fowler's Zoo and Wild Animal Medicine, Vol. 8. St. Louis, Missouri, 105-112. ISBN 978-1-4557-7397-8.

Ritz, Julia; Codron, Daryl; Wenger, Sandra; Rensch, Eberhard; Hatt, Jean-Michel; Braun, Ueli; Clauss, Marcus (2014). Ruminal pH in cattle (Bos primigenius f. taurus) and moose (Alces alces) under different feeding conditions: a pilot investigation. Journal of Zoo and Aquarium Research, 2:44-51.

Clauss, M (2014). Soft tissue characteristics for the reconstruction of ruminant phylogeny. Zitteliana, Series B, 32:1-14.

Muschick, M; Nosil, P; Roesti, M; Dittmann, Marie T; Harmon, L; Salzburger, W (2014). Testing the stages model in the adaptive radiation of cichlid fishes in East African Lake Tanganyika. Proceedings of the Royal Society of London, Series B: Biological Sciences, 281(1795):online.

Wyss, F; Wenker, C; Hoby, S; von Houwald, F; Schumacher, V; Doherr, M G; Robert, N (2014). The effect of fine granular sand on pododermatitis in captive greater flamingos (Phoenicopterus roseus). Animal Welfare, 23(1):57-61.

Clauss, M; Schiele, K; Ortmann, S; Fritz, J; Codron, D; Hummel, J; Kienzle, E (2014). The effect of very low food intake on digestive physiology and forage digestibility in horses. Journal of Animal Physiology and Animal Nutrition, 98:107-118.

Taylor, L A; Müller, D W H; Schwitzer, C; Kaiser, T; Codron, D; Schulz, E; Clauss, M (2014). Tooth wear in captive rhinoceroses (Diceros, Rhinoceros, Ceratotherium: Perissodactyla) differs from that of free-ranging conspecifics. Contributions to Zoology, 83:107-117.

Dermauw, Veronique; Lopéz Alonso, Marta; Duchateau, Luc; Du Laing, Gijs; Tolosa, Tadele; Dierenfeld, Ellen; Clauss, Marcus; Janssens, Geert Paul Jules (2014). Trace Element Distribution in Selected Edible Tissues of Zebu (Bos indicus) Cattle Slaughtered at Jimma, SW Ethiopia. PLoS ONE, 9(1):e85300.

Riaz, M Q; Südekum, K-H; Clauss, M; Jayanegara, A (2014). Voluntary feed intake and digestibility of four domestic ruminant species as influenced by dietary constituents: A meta-analysis. Livestock Science, 162:76-85.

Wyss, F; Gull, J; Rothlin, T; Scheiwiler, T; Clauss, M; Hatt, J M (2013). Observations on weight loss and fecal consistency in giant anteaters (Myrmecophaga tridactyla) during three transitions from a mixed natural in-house to commercial complete diets. In: American Association of Zoo Veterinarians, Salt Lake City, Utah, 28 September 2013 - 4 October 2013, 20-23.

Clauss, M (2013). Digestive physiology and feeding behaviour of equids – a comparative approach. In: Horse Health Nutrition - European Equine Health & Nutrition Congress, Gent, Belgium, 1 March 2013 - 2 March 2013, 25-33.

Sponheimer, M; Lee-Thorp, J A; Codron, D (2013). A brief update on developments in early hominin biogeochemistry. In: Armitage, R A; Burton, J H. Archaeological Chemistry VIII. Washington DC, 295-307.

Müller, D W H; Hammer, S; Hammer, C; Hatt, J M; Clauss, M (2013). A conceptual approach to density-dependent management of zoo animals kept in herds. International Zoo Yearbook, 47(1):208-218.

Codron, D (2013). African megaherbivores. In: Grzimek, B; MacLeod, N; Archibald, J D; Levin, P S; Blanchfield, D S. Grzimek's animal life encyclopedia. Extinction. Detroit, 385-395. ISBN 9781414490700.

Wenger, Sandra; Hoby, Stefan; Wyss, Fabia; Adami, Chiara; Wenker, Christian (2013). Anaesthesia with medetomidine, midazolam and ketamine in six gorillas after premedication with oral zuclopenthixol dihydrochloride. Veterinary Anaesthesia and Analgesia, 40(2):176-180.

Gobeli, S; Thomann, A; Wyss, F; Kuehni-Boghenbor, K; Brodard, I; Perreten, V (2013). Arsenicicoccus dermatophilus sp. nov., a hypha-forming bacterium isolated from the skin of greater flamingos (Phoenicopterus roseus) with pododermatitis. International Journal of Systematic and Evolutionary Microbiology, 63:4046-4051.

Müller, Dennis W H; Codron, Daryl; Meloro, Carlo; Munn, Adam; Schwarm, Angela; Hummel, Jürgen; Clauss, M (2013). Assessing the Jarman–Bell Principle: Scaling of intake, digestibility, retention time and gut fill with body mass in mammalian herbivores. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 164(1):129-140.

Clauss, Marcus; Dittmann, Marie T; Müller, Dennis W H; Meloro, Carlo; Codron, Daryl (2013). Bergmann′s rule in mammals: a cross-species interspecific pattern. Oikos, 122(10):1465-1472.

Lemaître, Jean-François; Gaillard, Jean-Michel; Lackey, Laurie Bingaman; Clauss, M; Müller, Dennis W.H (2013). Comparing free-ranging and captive populations reveals intra-specific variation in aging rates in large herbivores. Experimental Gerontology, 48(2):162-167.

Simova-Curd, Stefka; Foldenauer, Ulrike; Guerrero, Tomas; Hatt, J M; Hoop, Richard (2013). Comparison of Ventriculotomy Closure With and Without a Coelomic Fat Patch in Japanese Quail (Coturnix coturnix japonica). Journal of Avian Medicine and Surgery, 27(1):7-13.

Wernick, M B; Steinmetz, H W; Martin Jurado, O; Howard, J; Vogler, B; Vogt, R; Codron, D; Hatt, J M (2013). Comparison of fluid types for resuscitation in acute hemorrhagic shock and evaluation of gastric luminal and transcutaneous PCO2 in Leghorn chickens. Journal of Avian Medicine and Surgery, 27(2):109-119.

Taylor, Lucy A; Kaiser, Thomas M; Schwitzer, Christoph; Müller, Dennis W H; Codron, Daryl; Clauss, Marcus; Schulz, Ellen (2013). Detecting inter-cusp and inter-tooth wear patterns in rhinocerotids. PLoS ONE, 8(12):e80921.

Schulz, Ellen; Piotrowski, Vanessa; Clauss, M; Mau, Marcus; Merceron, Gildas; Kaiser, Thomas M (2013). Dietary abrasiveness is associated with variability of microwear and dental surface texture in rabbits. PLoS ONE, 8(2):e56167.

Codron, Daryl; Carbone, Chris; Clauss, Marcus (2013). Ecological interactions in dinosaur communities: Influences of small offspring and complex ontogenetic life histories. PLoS ONE, 8(10):e77110.

Codron, D; Carbone, C; Müller, D W H; Clauss, M (2013). Ecological modelling, size distributions and taphonomic size bias in dinosaur faunas: reply to Brown et al. Biology Letters, 9(1):20120922.

Mans, Christoph; Drees, Randi; Sladky, Kurt; Hatt, Jean-Michel; Kircher, P R (2013). Effects of body position and extension of the neck and extremities on lung volume measured via computed tomography in red-eared slider turtles (Trachemys scripta elegans). Journal of the American Veterinary Medical Association, 243(8):1190-1196.

Seebacher, Frank; Munn, Adam J; Dunne, Craig; Müller, Dennis W. H; Clauss, M (2013). Energy in-equivalence in australian marsupials: evidence for disruption of the continent’s mammal assemblage, or are rules meant to be broken? PLoS ONE, 8(2):e57449.

Wüthrich, G; Hatt, J M (2013). Europäische Landschildkröten. Zürich. ISBN 978-3-908157-19-9.

Wyss, F; Wenker, C; Hoby, S; Gardelli, B; Studer-Thiersch, A; von Houwald, F; Schumacher, V; Clauss, M; Doherr, M G; Häfeli, W; Furrer, S; Béchet, A; Robert, N (2013). Factors influencing the onset and progression of pododermatitis in captive flamingos (Phoenicopteridae). Schweizer Archiv für Tierheilkunde, 155(9):497-503.

Taylor, L A; Schwitzer, C; Owen-Smith, Norman; Kreuzer, M; Clauss, M (2013). Feeding practices for captive greater kudus (Tragelaphus strepsiceros) in UK collections as compared to diets of free-ranging specimens. Journal of Zoo and Aquarium Research, 1(1):7-13.

Steuer, Patrick; Südekum, Karl-Heinz; Müller, Dennis W H; Kaandorp, Jacques; Clauss, Marcus; Hummel, Jürgen (2013). Fibre digestibility in large herbivores as related to digestion type and body mass — An in vitro approach. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 164(2):319-326.

Büker, M; Picozzi, K; Kolb, S; Hatt, J M (2013). First detection of Borrelia burgdorferi-antibodies in free-living birds of prey from Eastern Westphalia, Germany. Schweizer Archiv für Tierheilkunde, 155(7):411-416.

Ritz, J; Hofer, K; Hofer, E; Hackländer, K; Immekus, D; Codron, D; Clauss, M (2013). Forestomach pH in hunted roe deer (Capreolus capreolus) in relation to forestomach region, time of measurement and supplemental feeding and comparison among wild ruminant species. European Journal of Wildlife Research, 59(4):505-517.

Clauss, Marcus; Steuer, Patrick; Müller, Dennis W H; Codron, Daryl; Hummel, Jürgen (2013). Herbivory and body size: Allometries of diet quality and gastrointestinal physiology, and implications for herbivore ecology and dinosaur gigantism. PLoS ONE, 8(10):e68714.

Kaiser, Thomas M; Müller, Dennis W H; Fortelius, Mikael; Schulz, Ellen; Codron, D; Clauss, M (2013). Hypsodonty and tooth facet development in relation to diet and habitat in herbivorous ungulates: implications for understanding tooth wear. Mammal Review, 43(1):34-46.

Schwarm, Angela; Ortmann, Sylvia; Fritz, Julia; Flach, Edmund; Rietschel, Wolfram; Clauss, Marcus (2013). No distinct stratification of ingesta particles and no distinct moisture gradient in the fore-stomach of non-ruminants: The wallaby, peccary, hippopotamus, and sloth. Mammalian Biology - Zeitschrift für Säugetierkunde, 78(6):412-421.

Wernick, M B; Hilbe, M; Kaufmann-Bart, M; Albini, S; Hoop, R K; Hatt, J M (2013). Pathology in practice. Journal of the American Veterinary Medical Association, 243(8):1117-1119.

Codron, J; Lee-Thorp, J A; Sponheimer, M; Codron, D (2013). Plant stable isotope composition across habitat gradients in a semi-arid savanna: implications for environmental reconstruction. Journal of Quaternary Science, 28(3):301-310.

Lauper, Murielle; Lechner, Isabel; Barboza, Perry S; Collins, William B; Hummel, Jürgen; Codron, Daryl; Clauss, M (2013). Rumination of different-sized particles in muskoxen (Ovibos moschatus) and moose (Alces alces) on grass and browse diets, and implications for rumination in different ruminant feeding types. Mammalian Biology - Zeitschrift für Säugetierkunde, 78(2):142-152.

Clauss, Marcus; Kohlschein, Gina-Marie; Peemöller, Andreas; Hummel, Jürgen; Hatt, Jean-Michel (2013). Short-term digestible energy intake in captive moose (Alces alces) on different diets. Zoo Biology, 32(5):484-489.

Clauss, M; Müller, D W H; Codron, D (2013). Source references and the scientist's mind-map: Harvard vs. Vancouver style. Journal of Scholarly Publishing, 44(3):274-282.

Djagoun, C A M S; Codron, D; Sealy, J; Mensah, G A; Sinsin, B (2013). Stable carbon isotope analysis of the diets of West African bovids in Pendjari Biosphere Reserve, Northern Benin. South African Journal of Wildlife Research, 43:33-43.

Codron, Jacqueline; Kirkman, Kevin; Duffy, Kevin J; Sponheimer, Matt; Lee-Thorp, Julia A; Ganswindt, Andre; Clauss, M; Codron, Daryl (2013). Stable isotope turnover and variability in tail hairs of captive and free-ranging African elephants (Loxodonta africana) reveal dietary niche differences within populations. Canadian Journal of Zoology, 91:124-134.

Taylor, L A; Rudd, J; Hummel, J; Clauss, M; Schwitzer, C (2013). Weight loss in pygmy hippos (Choeropsis liberiensis). In: Steck, B. International Studbook for the Year 2012 - Pygmy Hippopotamus. Basel, 20-25.

Gull, J; Müntener, C R; Hatt, J M (2012). Long-acting antibiotics in zoo animals - what do we know? In: Conference of the American Association of Zoo Veterinarians, Oakland CA, 21 October 2012 - 26 October 2012, 82-85.

Wyss, F; Wenker, C; Robert, N; Clauss, M; von Houwald, F (2012). Why do Greater one-horned rhinoceroses (Rhinoceros unicornis) die? - An evaluation of necropsy reports. In: International Conference on Diseases of Zoo and Wild Animals, Bussulengo/Verona, Italy, 16 May 2012 - 19 May 2012, 54-61.

Sawada, Akiko; Sakaguchi, Ei; Clauss, M; Hanya, Goro (2012). A pilot study on the ontogeny of digestive physiology in Japanese macaques (Macaca fuscata). Mammalian Biology - Zeitschrift für Säugetierkunde, 77(6):455-458.

Wenger, Sandra (2012). Anesthesia and analgesia in rabbits and rodents. Journal of Exotic Pet Medicine, 21(1):7-16.

Hatt, J M; Ohlerth, S (2012). Bildgebende Diagnostik an den unteren Atemwegen beim Vogel. Der praktische Tierarzt, 93(12):1078-1086.

Helary, Stephane F; Shaw, Joanne A; Brown, Derek; Clauss, M; Owen-Smith, Norman (2012). Black rhinoceros (diceros bicornis) natural diets: comparing iron levels across seasons and geographical locations. Journal of Zoo and Wildlife Medicine, 43(3s):S48-S54.

Clinical anesthesia and analgesia. Edited by: Hatt, J M. Journal of Exotic Pet Medicine, 2012.

Clauss, Marcus (2012). Clinical technique: Feeding hay to rabbits and rodents. Journal of Exotic Pet Medicine, 21(1):80-86.

Wernick, M B; Höpfner, R M; Francey, T; Howard, J (2012). Comparison of arterial blood pressure measurements and hypertension scores obtained by use of three indirect easurement devices in hospitalized dogs. Journal of the American Veterinary Medical Association, 240(8):962-968.

Fritz, Julia; Streich, W Jürgen; Schwarm, A; Clauss, M (2012). Condensing results of wet sieving analyses into a single data: a comparison of methods for particle size description. Journal of Animal Physiology and Animal Nutrition, 96(5):783-797.

Müller, D W H; Codron, D; Werner, J; Fritz, J; Hummel, J; Griebeler, E M; Clauss, M (2012). Dichotomy of eutherian reproduction and metabolism. Oikos, 121(1):102-115.

Serrano Ferron, E; Verheyden, H; Hummel, J; Cargnelutti, B; Lourtet, B; Merlet, J; González-Candela, M; Angibault, J M; Hewison, A J M; Clauss, M (2012). Digestive plasticity as a response to woodland fragmentation in roe deer. Ecological Research, 27(1):77-82.

Hoby, S; Clauss, M; Aebischer, A; Wenker, C; Robert, N; Liesegang, A (2012). Dry matter and calcium digestibility in captive veiled chameleons (Chamaeleo calyptratus). Journal of Animal Physiology and Animal Nutrition, 96(5):778-782.

Stahl, M; Osmann, C; Ortmann, S; Kreuzer, M; Hatt, J M; Clauss, M (2012). Energy intake for maintenance in a mammal with a low basal metabolism, the giant anteater (Myrmecophaga tridactyla). Journal of Animal Physiology and Animal Nutrition, 96(5):818-824.

Gull, J M; Saveraid, T C; Szabo, D; Hatt, J M (2012). Evaluation of three miniplate systems for fracture stabilization in pigeons (Columba livia). Journal of Avian Medicine and Surgery, 26:203-212.

Clauss, M; Burger, B; Liesegang, A; Del Chicca, F; Kaufmann-Bart, M; Riond, B; Hässig, M; Hatt, J M (2012). Influence of diet on calcium metabolism, tissue calcification and urinary sludge in rabbits (Oryctolagus cuniculus). Journal of Animal Physiology and Animal Nutrition, 96(5):798-807.

Hatt, Jean-Michel (2012). Introduction: Clinical anesthesia and analgesia. Journal of Exotic Pet Medicine, 21(1):5-6.

Clauss, M; Dierenfeld, Ellen; Goff, Jesse; Klasing, Kirk; Koutsos, Liz; Lavin, Shana; Livingston, Shannon; Nielson, Brian; Schlegel, Michael; Sullivan, Kathleen; Valdes, Eduardo; Ward, Ann (2012). Iod in rhinos—nutrition group report: report from the nutrition working group of the international workshop on iron overload disorder in browsing rhinoceros (february 2011). Journal of Zoo and Wildlife Medicine, 43(3s):S108-S113.

Clauss, M; Paglia, Donald E (2012). Iron storage disorders in captive wild mammals: the comparative evidence. Journal of Zoo and Wildlife Medicine, 43(3s):S6-S18.

Gull, J M; Lange, C E; Favrot, C; Dorrestein, G M; Hatt, J M (2012). Multiple papillomas in a diamond python, Morelia spilota spilota. Journal of Zoo and Wildlife Medicine, 43(4):946-949.

Codron, D; Carbone, C; Müller, D W H; Clauss, M (2012). Ontogenetic niche shifts in dinosaurs influenced size, diversity and extinction in terrestrial vertebrates. Biology Letters, 8(4):620-623.

Meloro, C; Clauss, M (2012). Predator-prey biomass fluctuations in the Plio-Pleistocene. Palaios, 27(2):90-96.

Vogler, B R; Vetsch, E; Wernick, M B; Sydler, T; Wiederkehr, D D (2012). Primary Leiomyosarcoma in the Heart of a Guinea Pig. Journal of Comparative Pathology, 147(4):452-454.

Clauss, M; Hildebrandt, T; Thomé, H; Volmer, K (2012). Prof. Dr. Reinhold R. Hofmann zum 80. Geburtstag. Deutsches Tierärzteblatt, (4):528.

Zerbe, Philipp; Clauss, M; Codron, D; Bingaman Lackey, Laurie; Rensch, Eberhard; Streich, Jürgen W; Hatt, J M; Müller, D W H (2012). Reproductive seasonality in captive wild ruminants: implications for biogeographical adaptation, photoperiodic control, and life history. Biological Reviews, 87(4):965-990.

Zerbe, Philipp. Reproductive seasonality in captive wild ruminants: implications for biogeographical adaptation, photoperiodic control, and life history. 2012, University of Zurich, Vetsuisse Faculty.

Munn, A J; Tomlinson, S; Savage, T; Clauss, M (2012). Retention of different-sized particles and derived gut fill estimate in tammar wallabies (Macropus eugenii): Physiological and methodological considerations. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 161(2):243-249.

Fritz, Julia; Hammer, Sven; Hebel, Christiana; Arif, Abdi; Michalke, Bernhard; Dittmann, Marie T; Müller, Dennis W.H; Clauss, M (2012). Retention of solutes and different-sized particles in the digestive tract of the ostrich (Struthio camelus massaicus), and a comparison with mammals and reptiles. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 163(1):56-65.

Scientific Writing Experience,; Clauss, M; Schmid-Brunclik, N; Wesche, P; Streich, W J; Gassmann, M; Hatt, J M (2012). Serum iron metabolites in an opportunistic sample of different captive primate species. International Zoo Yearbook, 46(1):195-200.

Codron, J; Codron, D; Sponheimer, M; Kirkman, K; Duffy, K J; Raubenheimer, E J; Melice, J-L; Grant, R; Clauss, M; Lee-Thorp, J A (2012). Stable isotope series from elephant ivory reveal lifetime histories of a true dietary generalist. Proceedings of the Royal Society B: Biological Sciences, 279(1737):2433-2441.

Codron, Daryl; Sponheimer, Matt; Codron, Jacqui; Newton, Ian; Lanham, John L; Clauss, M (2012). The confounding effects of source isotopic heterogeneity on consumer–diet and tissue–tissue stable isotope relationships. Oecologia, 169(4):939-953.

Codron, D; Sponheimer, M; Codron, J; Hammer, S; Tschuor, A; Braun, U; Bernasconi, S M; Clauss, M (2012). Tracking the fate of digesta 13C and 15N compositions along the ruminant gastrointestinal tract: Does digestion influence the relationship between diet and faeces? European Journal of Wildlife Research, 58(1):303-313.

Sandmeier, P; Clauss, M; Donati, O F; Chiers, K; Kienzle, E; Hatt, J M (2012). Use of deferiprone for the treatment of hepatic iron storage disease in three hornbills. Journal of the American Veterinary Medical Association, 240(1):75-81.

Ritz, J; Clauss, M; Streich, W J; Hatt, J M (2012). Variation in growth and potentially associated health status in Hermann's and spur-thighed tortoise (Testudo hermanni and Testudo graeca). Zoo Biology, 31(6):705-717.

Hatt, J M; Müller, D W H; Bingaman Lackey, L; Clauss, M (2011). Life expectancy in zoo mammals: what a zoo veterinarian should know. In: Proceedings of the AAZV Conference, Kansas City, Missouri, USA, 23 October 2011 - 28 October 2011, 181-183.

Franz, R; Kreuzer, M; Hummel, J; Hatt, J M; Clauss, M (2011). Intake, selection, digesta retention, digestion and gut fill of two coprophageous species, rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus), on a hay-only diet. Journal of Animal Physiology and Animal Nutrition, 95(5):564-570.

Hatt, J M; Sandmeier, P; Müller, W (2011). Galaktomannan-Untersuchungen zum Nachweis von Aspergillosen intra vitam bei Vögeln - Möglichkeiten und Grenzen. In: 2. DVG-Tagung über Vogel- und Reptilienkrankheiten, Hannover, 16 September 2011 - 18 September 2011, 146-150.

Clauss, M; Hummel, J (2011). Comparative fibre digestion. In: 15th Congress European Society of Veterinary and Comparative Nutrition, Zaragoza, Spain, 14 September 2011 - 16 September 2011, 9-15.

Franz, R; Soliva, C R; Kreuzer, M; Hummel, J; Clauss, M (2011). Methane output of rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus) fed a hay-only diet: Implications for the scaling of methane production with body mass in non-ruminant mammalian herbivores. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 158(1):177-181.

Müller, D W H; Zerbe, P; Codron, D; Clauss, M; Hatt, J M (2011). A long life among ruminants: giraffids and other special cases. Schweizer Archiv für Tierheilkunde, 153(11):515-519.

Hummel, J; Findeisen, E; Südekum, K H; Ruf, I; Kaiser, T M; Bucher, M; Clauss, M; Codron, D (2011). Another one bites the dust: faecal silica levels in large herbivores correlate with high-crowned teeth. Proceedings of the Royal Society B: Biological Sciences, 278(1712):1742-1747.

Sander, P M; Christian, A; Clauss, M; Fechner, R; Gee, C T; Griebeler, E M; Gunga, H C; Hummel, J; Mallison, H; Perry, S F; Preuschoft, H; Rauhut, O W M; Remes, K; Tütken, T; Wings, O; Witzel, U (2011). Biology of the sauropod dinosaurs: the evolution of gigantism. Biological Reviews, 86(1):117-155.

Martin Jurado, O; Simova-Curd, S; Bettschart-Wolfensberger, R; Hatt, J M (2011). Bispectral index reveals death-feigning behavior in a red kite. Journal of Avian Medicine and Surgery, 25:132-135.

Wernick, M B (2011). Buchbesprechung: Leitsymptome bei Papageien und Sittichen Diagnostischer Leitfaden und Therapie. Schweizer Archiv für Tierheilkunde, 153(6):289.

Steinmetz, H W; Zingg, R; Ossent, P; Eulenberger, U; Clauss, M; Hatt, J M (2011). Comparison of indoor and captive, free-roaming management in goldenheaded lion tamarins (Leontopithecus chrysomelas) at Zürich Zoo. Animal Welfare, 20(2):205-210.

Gull, J. Comparison of three miniplate systems in experimentally induced ulnar and radial fractures in pigeons (Columba livia). 2011, University of Zurich, Vetsuisse Faculty.

Steinmetz, H W; Zimmermann, N E (2011). Computed tomography for the diagnosis of sinusitis and air sacculitis in orangutans. In: Miller, R E; Fowler, M. Fowler's Zoo and Wild Animal Medicine, Current Therapy Volume 7. St. Louis, Missouri, 422-430. ISBN 978-1-4377-1986-4.

Hatt, J M; Martin Jurado, O (2011). Depth of anestesia monitoring by bispectral analysis in zoo animals. In: Miller, R E; Fowler, M. Fowler's Zoo and Wild Animal Medicine, Current Therapy Volume 7. St. Louis, Missouri, 147-152. ISBN 978-1-4377-1986-4.

Schwarm, A; Albrecht, S; Ortmann, S; Wolf, C; Clauss, M (2011). Digesta retention time in roe deer Capreolus capreolus, as measured with cerium-, lanthanum- and chromium-mordanted fibre. European Journal of Wildlife Research, 57(3):437-442.

Codron, D; Hull, J; Brink, J S; Codron, J; Ward, D; Clauss, M (2011). Effect of competition on niche dynamics of syntopic grazing ungulates: contrasting the predictions of habitat selection models using stable isotope analysis. Evolutionary Ecology Research, 13(3):217-235.

Steinmetz, H W; Bakonyi, T; Weissenböck, H; Hatt, J M; Eulenberger, U; Robert, N; Hoop, R K; Nowotny, N (2011). Emergence and establishment of Usutu virus infection in wild and captive avian species in and around Zurich, Switzerland-Genomic and pathologic comparison to other central European outbreaks. Veterinary Microbiology, 148(2-4):207-212.

Stahl, M. Energy intake for maintenance in a mammal with a low basal metabolism, the giant anteater (Myrmecophaga tridactyla). 2011, University of Zurich, Vetsuisse Faculty.

Benzing, M; Hatt, J M (2011). Farbmäuse. Zürich. ISBN 978-3-908157-15-1.

Pirovino, M; Heistermann, M; Zimmermann, N; Zingg, R; Clauss, M; Codron, D; Kaup, F J; Steinmetz, H W (2011). Fecal Glucocorticoid Measurements and Their Relation to Rearing, behavior, and environmental factors in the population of pileated gibbons (Hylobates pileatus) held in European zoos. International Journal of Primatology, 32(5):1161-1178.

Pirovino, M. Fecal glucocorticoid measurements and their relation to rearing, behaviour and environmental factors in the European pileated gibbon population (Hylobates pileatus). 2011, University of Zurich, Vetsuisse Faculty.

Neubert, F; Clauss, M (2011). Fehlerfrei Füttern - Notzeitäsung fürs Schalenwild. Wild und Hund, 2011(24):24-27.

Clauss, M; Lunt, N; Ortmann, S; Plowman, A; Codron, D; Hummel, J (2011). Fluid and particle passage in three duiker species. European Journal of Wildlife Research, 57(1):143-148.

Fritz, J; Hummel, J; Kienzle, E; Wings, O; Streich, W J; Clauss, M (2011). Gizzard vs. teeth, it’s a tie: food-processing efficiency in herbivorous birds and mammals and implications for dinosaur feeding strategies. Paleobiology, 37(4):577-586.

Frischknecht, Gabriela; Hatt, J M (2011). Goldhamster. Zürich. ISBN 978-3-908157-13-7.

Clauss, M; Hatt, J M; Hummel, J (2011). Green grocery guide. Zooquaria, (5):22-23.

Franz, R; Hummel, J; Müller, D W H; Bauert, M; Hatt, J M; Clauss, M (2011). Herbivorous reptiles and body mass: Effects on food intake, digesta retention, digestibility and gut capacity, and a comparison with mammals. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 158(1):94-101.

Müller, D W H; Bingaman Lackey, L; Streich, W J; Fickel, J; Hatt, J M; Clauss, M (2011). How to measure husbandry success? The life expectancy of zoo ruminants. WAZA Magazine, (12):37-39.

Steuer, P; Südekum, K H; Müller, D W H; Franz, R; Kaandorp, J; Clauss, M; Hummel, J (2011). Is there an influence of body mass on digesta mean retention time in herbivores? A comparative study on ungulates. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 160(3):355-364.

Codron, J; Codron, D; Lee-Thorp, J A; Sponheimer, M; Kirkman, K; Duffy, K J; Sealy, J (2011). Landscape-scale feeding patterns of African elephant inferred from carbon isotope analysis of feces. Oecologia, 165(1):89-99.

Müller, D W H. Life expectancy of wild ruminants in zoological institutions. 2011, University of Zurich, Vetsuisse Faculty.

Clauss, M; Müller, K; Fickel, J; Streich, W J; Hatt, J M; Südekum, K H (2011). Macroecology of the host determines microecology of endobionts: protozoal faunas vary with wild ruminant feeding type and body mass. Journal of Zoology, 283(3):169-185.

Müller, D W H; Bingaman Lackey, L; Streich, W J; Fickel, J; Hatt, J M; Clauss, M (2011). Mating system, feeding type and ex situ conservation effort determine life expectancy in captive ruminants. Proceedings of the Royal Society B: Biological Sciences, 278:2076-2080.

Mateescu, M; Hatt, J M (2011). Meerschweinchen. Zürich. ISBN 978-3-908157-17-5.

Franz, R; Soliva, C R; Kreuzer, M; Hatt, J M; Furrer, S; Hummel, J; Clauss, M (2011). Methane output of tortoises: Its contribution to energy loss related to herbivore body mass. PLoS ONE, 6(3):e17628.

Lange, C E; Favrot, C; Ackermann, M; Gull, J; Vetsch, E; Tobler, K (2011). Novel snake papillomavirus does not cluster with other non-mammalian papillomaviruses. Virology Journal, 8:436.

Müller, D W H; Caton, J; Codron, D; Schwarm, A; Lentle, R; Streich, W J; Hummel, J; Clauss, M (2011). Phylogenetic constraints on digesta separation: Variation in fluid throughput in the digestive tract in mammalian herbivores. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 160(2):207-220.

Tschudin, A; Clauss, M; Codron, D; Hatt, J M (2011). Preference of rabbits for drinking from open dishes versus nipple drinkers. Veterinary Record, 168(7):190-190a.

Rettmer, H; Deb, A; Watson, R; Hatt, J M; Hammer, S (2011). Radiographic measurement of internal organs in Spix’s Macaws (Cyanopsitta spixii). Journal of Avian Medicine and Surgery, 25(4):254-258.

Matsuda, I; Murai, T; Clauss, M; Yamada, T; Tuuga, A; Bernard, H; Higashi, S (2011). Regurgitation and remastication in the foregut-fermenting proboscis monkey (Nasalis larvatus). Biology Letters, 7(5):786-789.

Benzing, M; Hatt, J M (2011). Rennmäuse. Zürich. ISBN 978-3-908157-16-8.

Yisehak, K; Becker, A; Belay, D; Bosch, G; Hendriks, W H; Clauss, M; Janssens, G P J (2011). Salivary amino acid concentrations in zebus (Bos indicus) and zebu hybrids (Bos indicus × Bos taurus) fed a tannin-rich diet. Belgian Journal of Zoology, 141(2):93-96.

Clauss, M (2011). Sauropod biology and the evolution of gigantism: what do we know? In: Klein, N; Remes, K; Gee, C T; Sander, P M. Biology of the sauropod dinosaurs. Understanding the life of giants. Bloomington and Indianapolis, 3-7. ISBN 978-0-253-35508-9.

Hummel, J; Clauss, M (2011). Sauropod feeding and digestive physiology. In: Klein, N; Remes, K; Gee, C T; Sander, P M. Biology of the sauropod dinosaurs. Understanding the life of giants. Bloomington and Indianapolis, 11-32. ISBN 978-0-253-35508-9.

Hebel, C. Solute and particle retention in the digestive tract of the Phillip's dikdik (Madoqua saltiana phillipsi), a very small browsing ruminant. 2011, University of Zurich, Vetsuisse Faculty.

Hebel, C; Ortmann, S; Hammer, S; Hammer, C; Fritz, J; Hummel, J; Clauss, M (2011). Solute and particle retention in the digestive tract of the Phillip's dikdik (Madoqua saltiana phillipsi), a very small browsing ruminant: Biological and methodological implications. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 159(3):284-290.

Weingrill, T; Willems, E P; Zimmermann, N; Steinmetz, H W; Heistermann, M (2011). Species-specific patterns in fecal glucocorticoid and androgen levels in zoo-living orangutans (Pongo spp.). General and Comparative Endocrinology, 172(3):446-457.

Copeland, S R; Sponheimer, M; de Ruiter, D J; Lee-Thorp, J A; Codron, D; le Roux, P J; Grimes, V; Richards, M P (2011). Strontium isotope evidence for landscape use by early hominins. Nature, 474(7349):76-78.

Azmanis, P. The effect of early physical therapy after experimental stifle luxation in domestic pigeons (Columba livia domestica), managed with a combination of extracapsular stabilization technique and FESSA hinged linear external skeletal fixator (FESSA-HLESF). 2011, University of Zurich, Vetsuisse Faculty.

Clauss, M; Lechner, I; Barboza, P; Collins, W; Tervoort, T A; Südekum, K H; Codron, D; Hummel, J (2011). The effect of size and density on the mean retention time of particles in the reticulorumen of cattle ( Bos primigenius f. taurus), muskoxen ( Ovibos moschatus) and moose ( Alces alces). British Journal of Nutrition, 105:634-644.

Zerbe, P; Glaus, T M; Clauss, M; Hatt, J M; Steinmetz, H W (2011). Ultrasonographic evaluation of postprandial heart variation in juvenile Paraguay anacondas (Eunectes notaeus). American Journal of Veterinary Research, 72:1253-1258.

Tschudin, A; Clauss, M; Hatt, J M (2011). Umfrage zur Fütterung und Tränke von Kaninchen (Oryctolagus cuniculus) in der Schweiz 2008/2009. Schweizer Archiv für Tierheilkunde, 153(3):134-138.

Kohlschein, G M. Untersuchungen zur Futteraufnahme, Verdaulichkeit, Ingestapassage und Partikelgrösse beim Elch (Alces alces) bei unterschiedlichen Raufutter-Rationen. 2011, University of Zurich, Vetsuisse Faculty.

Zimmermann, N; Pirovino, M; Zingg, R; Clauss, M; Kaup, F J; Heistermann, M; Hatt, J M; Steinmetz, H W (2011). Upper respiratory tract disease in captive orangutans (Pongo sp.): prevalence in 20 European zoos and predisposing factors. Journal of Medical Primatology, 40(6):365-375.

Zimmermann, N. Upper respiratory tract diseases in captive orangutans (Pongo abelii, Pongo pygmaeus): prevalence in 20 European zoos and possible predisposing factors. 2011, University of Zurich, Vetsuisse Faculty.

Ritz, J. Variation in growth of herbivorous tortoises: causes and consequences for reproduction and health management. 2011, University of Zurich, Vetsuisse Faculty.

Tschudin, A; Clauss, M; Codron, D; Liesegang, A; Hatt, J M (2011). Water intake in domestic rabbits (Oryctolagus cuniculus) from open dishes and nipple drinkers under different water and feeding regimes. Journal of Animal Physiology and Animal Nutrition, 95(4):499-511.

Codron, D; Codron, J; Sponheimer, M; Bernasconi, S M; Clauss, M (2011). When animals are not quite what they eat: diet digestibility influences 13C-incorporation rates and apparent discrimination in a mixed-feeding herbivore. Canadian Journal of Zoology, 89:453-465.

Frischknecht, Gabriela; Hatt, J M (2011). Zwerghamster. Zürich. ISBN 978-3-908157-14-4.

Wüthrich, Gabriela; Hatt, J M (2011). Zwergkaninchen. Zürich. ISBN 978-3-908157-18-2.

Janis, C M; Constable, E C; Houpt, K A; Streich, W J; Clauss, M (2010). Comparative ingestive mastication in domestic horses and cattle: a pilot investigation. Journal of Animal Physiology and Animal Nutrition, 94(6):e402-e409.

Wenger, S; Buss, P; Joubert, J; Steenkamp, J; Shikwambana, P; Hatt, J M (2010). Evaluation of butorphanol, medetomidine and midazolam as a reversible narcotic combination in free-ranging African lions (Panthera leo). Veterinary Anaesthesia and Analgesia, 37(6):491-500.

Walser-Reinhardt, L; Wernick, M B; Hatt, J-M; Spiess, B M (2010). Bilateral vision loss in a captive cheetah (Acinonyx jubatus). Veterinary Ophthalmology, 13(Supple):128-133.

Clauss, M; Lang-Deuerling, S; Müller, D W H; Kienzle, E; Steuer, P; Hummel, J (2010). Retention of fluid and particles in captive tapirs (Tapirus sp.). Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 157(1):95-101.

Steuer, P; Clauss, M; Südekum, K H; Hatt, J M; Silinksi, S; Klomburg, S; Zimmermann, W; Fickel, J; Streich, W J; Hummel, J (2010). Comparative investigations on digestion in grazing (Ceratotherium simum) and browsing (Diceros bicornis) rhinoceroses. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 156(4):380-388.

Schwarm, A; Ortmann, S; Rietschel, W; Kühne, R; Wibbelt, G; Clauss, M (2010). Function, size and form of the gastrointestinal tract of the collared Pecari tajacu (Linnaeus 1758) and white-lipped peccary Tayassu pecari (Link 1795). European Journal of Wildlife Research, 56(4):569-576.

Glogowski, R; Czauderna, M; Rozbicka, A; Krajewska, K A; Clauss, M (2010). Fatty acid profile of hind leg muscle in female and male nutria (Myocastor coypus Mol.), fed green forage diet. Meat Science, 85(3):577-579.

Meyer, K; Hummel, J; Clauss, M (2010). The relationship between forage cell wall content and voluntary food intake in mammalian herbivores. Mammal Review, 40(3):221-245.

Sander, P M; Gee, C T; Hummel, J; Clauss, M (2010). Mesozoic plants and dinosaur herbivory. In: Gee, C T. Plants in Mesozoic time: Morphological innovations, phylogeny, ecosystems. Bloomington, 331-359. ISBN 978-0-253-35456-3.

Wernick, M B; Doherr, M; Howard, J; Francey, T (2010). Evaluation of high-definition and conventional oscillometric blood pressure measurement in anaesthetised dogs using ACVIM guidelines. Journal of Small Animal Practice, 51(6):318-324.

Simova-Curd, S; Huder, J B; Boeni, J; Robert, N; Hatt, J M (2010). Investigations on the diagnosis and retroviral aetiology of renal neoplasia in budgerigars (Melopsittacus undulatus). Avian Pathology, 39(3):161-167.

Vogler, B R; Elias, K; Steiner-Valentin, K H S (2010). Anaesthesia in captive raccoons (Procyon lotor) during seasonal obesity. In: Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Madrid, 12 May 2010 - 15 May 2010, 6-9.

Gull, J M; Lange, C E; Favrot, C; Grest, P; Dorrestein, GM; Hatt, J M (2010). It's a wart! A case report of papillomatosis in snakes and general considerations on the managemet of papillomatosis in reptiles. In: Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Madrid, 12 May 2010 - 15 May 2010, 45-46.

Müller, D W H; Müller, S I; Bingaman Lackey, L; Hammer, C; Hammer, S; Leus, K; Maier, M; Hatt, J M; Clauss, M (2010). Less can be more: considering seasonal differences of newborn mortality in breeding regimes. In: Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Madrid, 12 May 2010 - 15 May 2010, 96-98.

Dünner, B; Hammer, C; Hammer, S (2010). Mortality patterns and husbandry management in Idmi (Gazella gazella) and Yemini (Gazella gazella cora) gazelles at Al Wabra Wildlife Preservation, Qatar. In: Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Madrid, 12 May 2010 - 15 May 2010, 176-181.

Deiss, R; Hammer, C; Müller, D W H; Deb, A; Clauss, M; Hammer, S (2010). Mortality patterns in nondomestic hoofstock (Ovis orientalis laristanica, Capra aegagrus, Capra ibex nubiana) indicate species-specific differences in disease susceptibility in small ruminants. In: Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Madrid, 12 May 2010 - 15 May 2010, 59-66.

Zerbe, P; Gull, J M; Steinmetz, H W; Hatt, J M (2010). Placement of a permanent coelomic catheter for the treatment of a chronic coelomitis in a green iguana (Iguana iguana). In: Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Madrid, 12 May 2010 - 15 May 2010, 314-315.

Bach, F; Hammer, C; Deb, A; Hammer, S (2010). Relationship of management factors with prevalence of respiratory problems in beira antelope (Dorcotragus megalotis). In: Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Madrid, 12 May 2010 - 15 May 2010, 51-58.

Müller, D W H; Kuster, N; Deb, A; Hammer, C; Arif, A; Hammer, S (2010). Retrospective study of mortality in Dorcas and Grant's gazelles (Gazella dorcas and Nanger granti) at Al Wabra Wildlife Preservation, Qatar. In: Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Madrid, 12 May 2010 - 15 May 2010, 233-238.

Gull, J M; Müller, D W H; Michel, A; Szabo, D; Deb, A; Hammer, C; Hammer, S (2010). Seasonal changes in mortality of captive artiodactyla populations in a desert environment. In: Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Madrid, 12 May 2010 - 15 May 2010, 197-199.

Clauss, M; Müller, D W H; Steinmetz, H W; Hatt, J M (2010). The more the merrier or happy when alone? Hypothesis on stress susceptibility in captive individuals of solitary species. In: Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Madrid, 12 May 2010 - 15 May 2010, 92-95.

Clauss, M; Hofmann, R R; Streich, W J; Fickel, J; Hummel, J (2010). Convergence in the macroscopic anatomy of the reticulum in wild ruminant species of different feeding types and a new resulting hypothesis on reticular function. Journal of Zoology, 281(1):26-38.

Kaiser, T M; Fickel, J; Streich, W J; Hummel, J; Clauss, M (2010). Enamel ridge alignment in upper molars of ruminants in relation to their natural diet. Journal of Zoology, 281(1):12-25.

Müller, D W H; Bingaman Lackey, L; Streich, W J; Hatt, J M; Clauss, M (2010). Research Digest: Selected highlight from other veterinary journals - Effect of management and feeding regimes on life expectancy in captive deer. Veterinary Record, 166(17):502.

Clauss, M; Hume, I D; Hummel, J (2010). Evolutionary adaptations of ruminants and their potential relevance for modern production systems. animal, 4(7):979-992.

Seefeldt, S S; Collins, W B; Kuhl, J C; Clauss, M (2010). White Sweetclover (Melilotus albus) and Narrowleaf Hawksbeard (Crepis tectorum)Seed Germination after Passing through Moose. Invasive Plant Science and Management, 3(1):26-31.

Deb, A; Foldenauer, U; Borjal, R J; Streich, W J; Lüken, C; Johne, R; Müller, H; Hammer, S (2010). A longitudinal study on avian polyomavirus-specific antibodies in captive Spix's macaws (Cyanopsitta spixii). Journal of Avian Medicine and Surgery, 24(3):192-198.

Foldenauer, U; Simova-Curd, S; Nitzl, D; Bogdanova, A; Zollinger, E; Hatt, J M (2010). Analysis of exhaled breath condensate in a mixed population of psittacine birds. Journal of Avian Medicine and Surgery, 24(3):185-191.

Clauss, M (2010). Artgerechte Fütterung der Wildtiere - was ist fachlich vertretbar? In: Buchgraber, K. Wildbewirtschaftung verständlich vermitteln. Schwerpunkt: Fütterung und Abschussplanung. Irdning, Österreich, 27-34. ISBN 978-3-902559-39-5.

Friedrich, A; Friedrich, R; Heckers, K; Rütten, M; Steinmetz, H W (2010). Behandlung einer Candida-Dermatitis bei einer Spornschildkröte (Geochelone sulcata). Tierärztliche Praxis. Ausgabe K, Kleintiere, 38(6):328-332.

Ritz, J; Griebeler, E M; Huber, R; Clauss, M (2010). Body size development of captive and free-ranging African spurred tortoises (Geochelone sulcata): High plasticity in reptilian growth rates. Herpetological Journal, 20(3):213-216.

Ritz, J; Hammer, C; Clauss, M (2010). Body size development of captive and free-ranging Leopard tortoises (Geochelone pardalis). Zoo Biology, 29:517-525.

Clauss, M; Kleffner, H; Kienzle, E (2010). Carnivorous mammals: nutrient digestibility and energy evaluation. Zoo Biology, 29(6):687-704.

Wernick, M B; Müntener, C R (2010). Cefovecin: a new long-acting cephalosporin. Journal of Exotic Pet Medicine, 19(4):317-322.

Steinmetz, H W; Rütten, M; Ruess-Melzer, K; Ohlerth, S; Lischer, C; Oevermann, A; Bode-Lesniewska, B; Hatt, J M (2010). Clinical course of a malignant peripheral nerve sheath tumor in a Siberian tiger (Panthera tigris altaica). Journal of Veterinary Diagnostic Investigation, 22(6):970-975.

Müller, D W H; Gaillard, J M; Bingaman Lackey, L; Hatt, J M; Clauss, M (2010). Comparing life expectancy of three deer species between captive and wild populations. European Journal of Wildlife Research, 56(2):205-208.

Hatt, J M (2010). Dermatologische Erkrankungen bei Reptilien. Schweizer Archiv für Tierheilkunde, 152(3):123-130.

Lechner, I; Barboza, P; Collins, W; Fritz, J; Günther, D; Hattendorf, B; Hummel, J; Südekum, K H; Clauss, M (2010). Differential passage of fluids and different-sized particles in fistulated oxen (Bos primigenius f. taurus), muskoxen (Ovibos moschatus), reindeer (Rangifer tarandus) and moose (Alces alces): Rumen particle size discrimination is independent from contents stratification. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 155 A(2):211-222.

Tschudin, A; Rettmer, H; Watson, R; Clauss, M; Hammer, S (2010). Evaluation of hand-rearing records for Spix’s macaw Cyanopsitta spixii at the Al Wabra Wildlife Preservation from 2005 to 2007. International Zoo Yearbook, 44:201-211.

Wenger, S; Gull, J; Glaus, T M; Blumer, S; Wimmershoff, J; Kranjc, A; Steinmetz, H W; Hatt, J M (2010). Fallot's tetralogy in a European beaver (Cator fiber). Journal of Zoo and Wildlife Medicine, 41(2):359-362.

Büker, M; Foldenauer, U; Simova-Curd, S; Martig, S; Hatt, J M (2010). Gastrointestinal obstruction caused by a radiolucent foreign body in a green iguana (Iguana Iguana). Canadian Veterinary Journal, 51:511-514.

Franz, R; Soliva, C R; Kreuzer, M; Steuer, P; Hummel, J; Clauss, M (2010). Methane production in relation to body mass of ruminants and equids. Evolutionary Ecology Research, 12:727-738.

Franz, R. Nutritional limits of gigantism. Allometry of digestive anatomy and physiology in herbivores with special reference to methane losses. 2010, University of Zurich, Faculty of Science.

Müller, D W H; Bingaman Lackey, L; Streich, W J; Hatt, J M; Clauss, M (2010). Relevance of management and feeding regimens on life expectancy in captive deer. American Journal of Veterinary Research, 71(3):275-280.

Codron, D; Clauss, M (2010). Rumen physiology constrains diet niche: linking digestive physiology and food selection across wild ruminant species. Canadian Journal of Zoology, 88(11):1129-1138.

Clauss, M; Adamczewski, J; Hofmann, R R (2010). Surface enlargement in the rumen of free-ranging muskoxen (Ovibos moschatus). European Journal of Wildlife Research, 56(2):181-185.

Meyer, K. The relationship between forage cell wall content and voluntary food intake in mammalian herbivores. 2010, University of Zurich, Vetsuisse Faculty.

Fritz, J; Hummel, J; Kienzle, E; Streich, W J; Clauss, M (2010). To chew or not to chew: fecal particle size in herbivorous reptiles and mammals. Journal of Experimental Zoology. Part A: Ecological Genetics and Physiology, 313A(9):579-586.

Auer, U; Wenger, S; Beigelböck, C; Zenker, W; Mosing, M (2010). Total invtravenous anesthesia with midazolam, ketamine, and xylazine or detomidine following induction with tiletamine, zolazepam, and xylazine in red deer (Cervus elaphus hippelaphus) undergoing surgery. Journal of Wildlife Diseases, 46(4):1196-1203.

Tschudin, A. Untersuchung zur Wasser- und Futteraufnahme beim Zwergkaninchen unter verschiedenen praxisrelevanten Fütterungs- und Tränkeregimes. 2010, University of Zurich, Vetsuisse Faculty.

Copeland, S R; Sponheimer, M; Lee-Thorp, J A; de Ruiter, D J; le Roux, P J; Grimes, V; Codron, D; Berger, L R; Richards, M P (2010). Using strontium isotopes to study site accumulation processes. Journal of Taphonomy, 8(2-3):115-127.

Clauss, M; Nunn, C; Fritz, J; Hummel, J (2009). Evidence for a tradeoff between retention time and chewing efficiency in large mammalian herbivores. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 154(3):376-382.

Clauss, M; Keller, A; Peemöller, A; Nygren, K; Hatt, J M; Nuss, K (2009). Postmortal radiographic diagnosis of laminitis in a captive European moose (Alces alces). Schweizer Archiv für Tierheilkunde, 151(11):545-549.

Kaiser, T M; Brasch, J; Castell, J C; Schulz, E; Clauss, M (2009). Tooth wear in captive wild ruminant species differs from that of free-ranging conspecifics. Mammalian Biology - Zeitschrift für Säugetierkunde, 74(6):425-437.

Langenecker, M; Clauss, M; Hässig, M; Hatt, J M (2009). Vergleichende Untersuchung zur Krankheitsverteilung bei Kaninchen, Meerschweinchen, Ratten und Frettchen. Tierärztliche Praxis. Ausgabe K, Kleintiere, 37(5):326-333.

Schwarm, A; Schweigert, M; Ortmann, S; Hummel, J; Janssens, G P J; Streich, W J; Clauss, M (2009). No easy solution for the fractionation of faecal nitrogen in captive wild herbivores: results of a pilot study. Journal of Animal Physiology and Animal Nutrition, 93(5):596-605.

Lechner, I; Barboza, P; Collins, W; Günther, D; Hattendorf, B; Hummel, J; Clauss, M (2009). No ‘bypass’ in adult ruminants: Passage of fluid ingested vs. fluid inserted into the rumen in fistulated muskoxen (Ovibos moschatus), reindeer (Rangifer tarandus) and moose (Alces alces). Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 154(1):151-156.

Copeland, S R; Sponheimer, M; Spinage, C A; Lee-Thorp, J A; Codron, D; Reed, K E (2009). Stable isotope evidence for impala Aepyceros melampus diets at Akagera National Park, Rwanda. African Journal of Ecology, 47(4):490-501.

Clauss, M; Hofmann, R R; Fickel, J; Streich, W J; Hummel, J (2009). The intraruminal papillation gradient in wild ruminants of different feeding types: implications for rumen physiology. Journal of Morphology, 270(8):929-942.

Wenger, S; Barrett, E L; Pearson, G R; Sayers, I; Blakey, C; Redrobe, S (2009). Liver lobe torsion in three adult rabbits. Journal of Small Animal Practice, 50(6):301-305.

Ritz, J; Clauss, M (2009). Werden bei Schildkröten die Gesundheit und Fruchtbarkeit durch ein schnelles Wachstum beeinflusst? Untersuchungen zum Wachstum von herbivoren Landschildkröten. Testudo, 18(2):22-27.

Steinmetz, H W; Gull, J (2009). Heimsäuger: Trächtigkeit und Aufzucht. In: Pädiatrie. 40. Jahresversammlung der Schweizerischen Vereinigung für Kleintiermedizin, St. Gallen, 6 May 2009 - 9 May 2009, 203-215.

Gull, J; Steinmetz, H W (2009). Reptilien: ovipar und vivipar - gibt das Komplikationen? In: Pädiatrie. 40. Jahresversammlung der Schweizerischen Vereinigung für Kleintiermedizin, St. Gallen, 6 May 2009 - 9 May 2009, 217-223.

Steinmetz, H W; Gull, J (2009). Vögel: Das Ei und seine Komplikationen. In: Pädiatrie: 40. Jahresversammlung der Schweizerischen Vereinigung für Kleintiermedizin, St. Gallen, 6 May 2009 - 9 May 2009, 225-233.

Müller, D W H; Szentiks, C; Wibbelt, G (2009). Polycystic Kidney Disease in Adult Brazilian Agoutis (Dasyprocta leporina). Veterinary Pathology, 46(4):656-661.

Koch, M; Möstl, E; Steinmetz, H W; Clauss, M; Masello, J F; Quillfeldt, P (2009). Non-invasive measurement of faecal glucocorticoid metabolites in Upland Geese Chloephaga picta. Polar Biology, 32(2):281-285.

Müller, D W H; Clauss, M; Borer, S; Hammer, C; Deb, A; Arif, A; Hammer, S (2009). A retrospective analysis of necropsy reports and stock - data of the Soemmerring’s gazelle (Gazella soemmerringii) at Al Wabra Wildlife Preservation (AWWP), Qatar. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 279-283.

Franz, R; Hummel, J; Kienzle, E; Kölle, P; Gunga, H C; Clauss, M (2009). Allometry of visceral organs in living amniotes and its implications for sauropod dinosaurs. Proceedings of the Royal Society B: Biological Sciences, 276(1662):1731-1736.

Piening Schuler, Y; Hammer, C; Clauss, M; Hammer, S (2009). Birth seasonality in captive bovids at Al Wabra Wildlife Preservation (AWWP), Qatar. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 297-303.

Piening Schuler, Y; Hammer, C; Hammer, S (2009). Body mass development and survival rate in hand - and parentreared bovidae at Al Wabra Wildlife Preservation (AWWP), Qatar. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 291-296.

Schenk, F; Deb, A; Arif, A; Taha, A; Hammer, S (2009). Causes of mortality in captive Speke's gazelle (Gazella spekei) at Al Wabra Wildlife Preservation (AWWP) Qatar. From 2001 - 2007. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 325-331.

Wenker, C J; Clauss, M; Besselmann, D; Streich, W J; Lutz, H (2009). Changes in body weight, hematology and serum chemistry in captive plains viscachas (Lagostomus maximus) with presumptive diabetes type II after a diet change. Schweizer Archiv für Tierheilkunde, 151(2):61-68.

Käppeli, U; Eulenberger, U; Nitzl, D; Rohrer Bley, C; Steffen, F; Sydler, T; Schmid, N; Hatt, J M; Steinmetz, H W (2009). Clinical challenge. Journal of Zoo and Wildlife Medicine, 40(2):398-401.

Hatt, J M; Zollinger, E; Boehler, A; Hofer, M; Steinmetz, H W; Clauss, M (2009). Collection and analysis of breath and breath condensate exhaled by feral pigeons (Columba livia) and chickens (Gallus domesticus). Veterinary Record, 165:469-473.

Fritz, J; Hummel, J; Kienzle, E; Arnold, Christian; Nunn, C; Clauss, M (2009). Comparative chewing efficiency in mammalian herbivores. Oikos, 118:1623-1632.

Wespi, B; Clauss, M; Deb, A; Arif, A; Taha, A; Hammer, C; Hammer, S (2009). Comparison of an unmanaged population of Pelzeln's gazelle. (Gazella dorcas pelzelni) to an intensively managed population at Al Wabra Wildlife Preservation (AWWP), Qatar. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 340-344.

Ritz, J; Hammer, C; Clauss, M (2009). Comparison of body size development in captive and free-ranging leopard tortoises (Geochelone pardalis). In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 28-30.

Zimmermann, N; Zingg, R; Makara, M; Hatt, J M; Steinmetz, H W (2009). Computertomographic evaluation of the upper respiratory tract in orang-utans. (Pongo pygmaeus, Pongo abelii). In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 102-103.

Clauss, M; Wilkins, T; Hartley, A; Hatt, J M (2009). Diet composition, food intake, body condition, and fecal consistency in captive tapirs (Tapirus spp.) in UK collections. Zoo Biology, 28(4):279-291.

Wyss, F; Deb, A; Arif, A; Taha, A; Hammer, S (2009). Effect of lactobacillus treatments on the gut flora of juveniles and adult blue macaws (Cyanospitta spixii, Anodorhynxhus leari, Anodorhynchus hyacinthus) at Al Wabra Wildlife Preservation (AWWP), Qatar. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 66-70.

Foldenauer, U; Rusch, M; Simova-Curd, S; Nitzl, D; Hoop, R K; Hatt, J M (2009). Endocarditis due to Lactobacillus jensenii in a Salvin's Amazon parrot (Amazona autumnalis salvini). Avian Pathology, 38(1):55-58.

Keller, A; Clauss, M; Muggli, E; Nuss, K (2009). Even-toed but uneven in length: the digits of artiodactyls. Zoology, 112(4):270-278.

Colville, K; Bouts, T; Hartley, A; Clauss, M; Routh, A (2009). Frothy bloat and serous fat atrophy associated with insufficient fibre intake in a giraffe (Giraffa camelopardalis). In: Clauss, M; Fidgett, A; Hatt, J M; Huisman, T; Hummel, J; Janssen, G; Nijboer, J; Plowman, A. Zoo Animal Nutrition, Vol. IV. Fürth, 219-229.

Pérez, W; Lima, M; Clauss, M (2009). Gross Anatomy of the Intestine in the Giraffe (Giraffa camelopardalis). Anatomia, Histologia, Embryologia: Journal of Veterinary Medicine Series C, 38(6):432-435.

Müller, D W H; Bingaman Lackey, L; Streich, W J; Hatt, J M; Clauss, M (2009). Life expectancy in captive deer: A possibility to evaluate husbandry management in zoos. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 47.

Zerbe, P; Schwarz, C; Deb, A; Borjal, R J; Arif, A; Taha, A S; Streich, W J; Clauss, M; Hammer, S (2009). Long-term monitoring of endoparasites in birds-of-paradise at Al Wabra Wildlife Preservation, Doha. International Zoo Yearbook, 43(1):149-158.

Clauss, M; Reese, S; Eulenberger, K (2009). Macroscopic digestive anatomy of a captive lowland anoa (Bubalus depressicornis). In: Clauss, M; Fidgett, A; Hatt, J M; Huisman, T; Hummel, J; Janssen, G; Nijboer, J; Plowman, A. Zoo Animal Nutrition, Vol. IV. Fürth, 255-263.

Clauss, M; Lang-Deuerling, S; Kienzle, E; Medici, E P; Hummel, J (2009). Mineral absorption in tapirs (Tapirusspp.) as compared to the domestic horse. Journal of Animal Physiology and Animal Nutrition, 93(6):768-776.

Meier, M; Deb, A; Hammer, C; Hammer, S (2009). Monitoring the efficacy of newborn treatments in ruminants at Al Wildlife Preservation (AWWP), Qatar. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 257-263.

Schwarm, A; Ortmann, S; Wolf, C; Streich, W J; Clauss, M (2009). More efficient mastication allows increasing intake without compromising digestibility or necessitating a larger gut: Comparative feeding trials in banteng (Bos javanicus) and pygmy hippopotamus (Hexaprotodon liberiensis). Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 152(4):504-512.

Schwarm, A; Ortmann, S; Wolf, C; Clauss, M (2009). No distinct difference in the excretion of large particles of varying size in a wild ruminant, the banteng (Bos javanicus). European Journal of Wildlife Research, 55(5):531-533.

Gull, J; Steinmetz, H W; Clauss, M; Besselmann, D; Ossent, P; Wenker, C J; Hatt, J M (2009). Occurrence of cataract and fatty liver in captive plains viscachas (Lagostomus maximus) in relation to diet. Journal of Zoo and Wildlife Medicine, 40(4):652-658.

Hatt, J M (2009). Osteosynthese bei Ziervögeln unter besonderer Berücksichtigung der externen Fixation. Der praktische Tierarzt, 90(5):398-406.

Schwarm, A; Ortmann, S; Wolf, C; Streich, W J; Clauss, M (2009). Passage marker excretion in red kangaroo (Macropus rufus), collared peccary (Pecari tajacu) and colobine monkeys (Colobus angolensis, C. polykomos, Trachypithecus johnii). Journal of Experimental Zoology. Part A: Ecological Genetics and Physiology, 311(9):647-661.

Hummel, J; Südekum, K H; Bayer, D; Ortmann, S; Streich, W J; Hatt, J M; Clauss, M (2009). Physical characteristics of reticuloruminal contents of oxen in relation to forage type and time after feeding. Journal of Animal Physiology and Animal Nutrition, 93(2):209-220.

Clauss, M; Fritz, J; Bayer, D; Nygren, K; Hammer, S; Hatt, J M; Südekum, K H; Hummel, J (2009). Physical characteristics of rumen contents in four large ruminants of different feeding type, the addax (Addax nasomaculatus), bison (Bison bison), red deer (Cervus elaphus) and moose (Alces alces). Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 152(3):398-406.

Clauss, M; Fritz, J; Bayer, D; Hummel, J; Streich, W J; Südekum, K H; Hatt, J M (2009). Physical characteristics of rumen contents in two small ruminants of different feeding type, the mouflon (Ovis ammon musimon) and the roe deer (Capreolus capreolus). Zoology, 112(3):195-205.

Haga, H A; Wenger, S; Hvarnes, S; Os, O; Rolandsen, C M (2009). Plasma lactate concentrations in free-ranging moose (Alces alces) immobilised with etorphine: Preliminary results. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 81-82.

Haga, H A; Wenger, S; Hvarnes, S; Os, O; Rolandsen, C M; Solberg, E J (2009). Plasma lactate concentrations in free-ranging moose (Alces alces)immobilized with etorphine. Veterinary Anaesthesia and Analgesia, 36(6):555-561.

Nees, S; Schade, B; Clauss, M; Steinmetz, H W; Ehrensperger, F; Steck, B; Hatt, J M (2009). Polycystic kidney disease in the pygmy hippopotamus (Hexaprotodon liberiensis). Journal of Zoo and Wildlife Medicine, 40(3):529-535.

Clauss, M; Grum, C; Hatt, J M (2009). Polyunsaturated fatty acid content in adipose tissue in foregut and hindgut fermenting mammalian herbivores. A literature survey. Mammalian Biology - Zeitschrift für Säugetierkunde, 74(2):153-158.

Wyss, F; Deb, A; Watson, R; Hammer, S (2009). Radiographic measurements for PDD diagnosis in Spix's macaws (Cyanospitta spixii) at Al Wabra Wildlife Preservation (AWWP), Qatar. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 349-354.

Codron, D; Codron, J (2009). Reliability of δ13C and δ15N in faeces for reconstructing savanna herbivore diet. Mammalian Biology - Zeitschrift für Säugetierkunde, 74(1):36-48.

Hatt, J M; Fruth, A; Rabsch, W (2009). Reptile-associated salmonellosis – information update for veterinarians. Tierärztliche Praxis. Ausgabe K, Kleintiere, 37(3):188-193.

Zenker, W; Clauss, M; Huber, J; Altenbrunner-Martinek, B (2009). Rumen pH and hoof health in two groups of captive wild ruminants. In: Clauss, M; Fidgett, A; Hatt, J M; Huisman, T; Hummel, J; Janssen, G; Nijboer, J; Plowman, A. Zoo Animal Nutrition, Vol. IV. Fürth, 247-254.

Lechenne, M; Deb, A; Hammer, S (2009). Serological evaluation of virus exposure in Beira antelopes (Dorcatragus megalotis) and Speke's gazelles. (Gazella spekei) at Al Wabra Wildlife Preservation (AWWP), Qatar. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 248-251.

Codron, D; Codron, J; Lee-Thorp, J A; Sponheimer, M; Grant, C C; Brink, J S (2009). Stable isotope evidence for nutritional stress, competition, and loss of functional habitat as factors limiting recovery of rare antelope in southern Africa. Journal of Arid Environments, 73(4-5):449-457.

Steinmetz, H W; Eulenberger, U; Riond, B; Schwarzwald, C C; Hatt, J M (2009). Succesful treatment of a Streptococcus meningoencephalitis in a black rhinoceros (Diceros bicornis michaeli). In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 132-133.

Simova-Curd, S; Richter, M; Hauser, B; Hatt, J M (2009). Surgical removal of a retrobulbar adenoma in a Grey Parrot (Psittacus erithacus). Journal of Avian Medicine and Surgery, 23(1):24-28.

Pirovino, M; Zingg, R; Hagen, R; Heistermann, M; Kaup, F J; Clauss, M; Hatt, J M; Steinmetz, H W (2009). The influence of female life history on reproduction in captive pileated gibbons (Hylobates pileatus). In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 307.

Zerbe, P; Glaus, T M; Clauss, M; Hatt, J M; Steinmetz, H W (2009). Ultrasonographic evaluation of the postprandial heart variation in juvenile Paraguayan anakondas (Eunectes notaeus). In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 31-32.

Müller, D W H; Hammer, S; Hammer, C; Clauss, M (2009). Up, over the top, or down? Population development in closed captive populations of wild ruminants. In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin, 48-50.

Sponheimer, M; Codron, D; Passey, B H; de Ruiter, D J; Cerling, T E; Lee-Thorp, J A (2009). Using carbon isotopes to track dietary change in modern, historical, and ancient primates. American Journal of Physical Anthropology, 140(4):661-670.

Zoo Animal Nutrition IV. Edited by: Clauss, M; Fidgett, A; Janssens, G; Hatt, J M; Huisman, T; Hummel, J; Nijboer, J; Plowman, A. Fuerth, Germany, 2009. ISBN 978-3-930831-72-2.

Furrer, S; Franz, R (2008). Husbandry guideline for Mantella laevigata (Methuen & Hewitt 1913). Zürich.

Fritsche, R; Simova-Curd, S; Clauss, M; Hatt, J M (2008). Hyperthyroidism in connection with suspected diabetes mellitus in a chinchilla (Chinchilla laniger). Veterinary Record, 163(15):454-456.

Hatt, J M (2008). Hard tissue surgery. In: Chitty, J; Lierz, M. BSAVA Manual of Raptors, Pigeons and Passerine Birds. Gloucester, 157-175. ISBN 978-1-905319-04-6.

Simova-Curd, S; Nitzl, D; Pospischil, A; Hatt, J M (2008). Lumbar osteosarcoma in a chinchilla (Chinchilla laniger). Journal of Small Animal Practice, 49(9):483-485.

Leiber, F; Meier, J S; Burger, B; Wettstein, H R; Kreuzer, M; Hatt, J M; Clauss, M (2008). Significance of coprophagy for the fatty acid profile in body tissues of rabbits fed different diets. Lipids, 43(9):853-865.

Steiger, S; Franz, R; Eggert, A K; Müller, J K (2008). The Coolidge effect, individual recognition and selection for distinctive cuticular signatures in a burying beetle. Proceedings of the Royal Society B: Biological Sciences, 275(1645):1831-1838.

Clauss, M; Hummel, J (2008). Getting it out of the (digestive) system : hindgut fermenters and calcium. In: 7th Biennial Symposium of the Comparative Nutrition Society, Liscomb Mills, Nova Scotia , 8 August 2008 - 13 August 2008, 30-36.

Clauss, M; Streich, W J; Nunn, C L; Ortmann, S; Hohmann, G; Schwarm, A; Hummel, J (2008). The influence of natural diet composition, food intake level, and body size on ingesta passage in primates. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 150(3):274-281.

Clauss, M; Dierenfeld, E S; Bigley, K E; Wang, Y; Ghebremeskel, K; Hatt, J M; Flach, E J; Behlert, O; Castell, J C; Streich, W J; Bauer, J E (2008). Fatty acid status in captive and free-ranging black rhinoceroses (Diceros bicornis)*. Journal of Animal Physiology and Animal Nutrition, 92(3):231-241.

Furger, M; Hoop, R; Steinmetz, H W; Eulenberger, U; Hatt, J M (2008). Humoral immune response to avian influenza vaccination over a six-month period in different species of captive wild birds. Avian Diseases, 52(2):222-228.

Codron, D; Lee-Thorp, J A; Sponheimer, M; de Ruiter, D J; Codron, J (2008). What insights can baboon feeding ecology provide for early hominin niche differentiation? International Journal of Primatology, 29(3):757-772.

Clauss, M; Hammer, S; Deb, A; Knauf, S; Martin Jurado, O; Wenker, C; Hatt, J M (2008). "Zoo research camp 2007" of the Al Wabra Wildlife Preservation and the Vetsuisse Faculty, and "First EAZWV summer school" at Basle Zoo : two approaches to introduce veterinary students to zoo animal medicine. In: 7th Congress of the European Association of Zoo and Wildlife Veterinarians, Leipzig, Germany, 30 April 2008 - 4 May 2008, 77-80.

EAZWV Students,; Clauss, M; Martin Jurado, O; Pewsner, M (2008). Evaluation of Okapi (Okapia johnstoni) necropsy reports and studbook data as part of the EAZWV summer school. In: 7th Congress of the European Association of Zoo and Wildlife Veterinarians, Leipzig, Germany, 30 April 2008 - 4 May 2008, 323-327.

Hammer, S; Schwarz, C; Zerbe, P; Deb, A; Borjal, R; Arif, A; Taha, A; Clauss, M (2008). Excessive iron storage in captive birds of paradise at Al Wabra Wildlife Preservation. In: 7th Congress of the European Association of Zoo and Wildlife Veterinarians, Leipzig, Germany, 30 April 2008 - 4 May 2008, 345-348.

Tschudin, A; Arif, A; Taha, A; Hammer, S (2008). Investigation of causes of mortality in captive Chestnut Bellied Sandgrouse (Pterocles exustus ellioti) at Al Wabra Wildlife Preservation from 2001 to 2006. In: 7th Congress of the European Association of Zoo and Wildlife Veterinarians, Leipzig, Germany, 30 April 2008 - 4 May 2008, 435-440.

Hammer, C; Stutz, K; Deb, A; Arif, A; Taha, A; Clauss, M; Hammer, S (2008). Medical management and pathology of captive Gerenuk (Litocranius walleri) at Al Wabra Wildlife Preservation (AWWP) from 2001 to 2006. In: 7th Congress of the European Association of Zoo and Wildlife Veterinarians, Leipzig, Germany, 30 April 2008 - 4 May 2008, 349-351.

Hatt, J M; Carpenter, J W (2008). The American College of Zoological Medicine: opportunities for international membership in this speciality organization. In: 7th Congress of the European Association of Zoo and Wildlife Veterinarians, Leipzig, Germany, 30 April 2008 - 4 May 2008, 73-75.

Nagy, A; Gull, J M; Deb, A; Arif, A; Hammer, C; Wernery, U; Clauss, M; Verhoeven, S; Hammer, S (2008). Retrospective evaluation of necropsy reports for Beira Antelopes (Dorcotragus megalotis) at Al Wabra Wildlife Preservation, Qatar - with specieal focus on the occurrence of a fibrinous pleuopneumonia syndrome. In: 7th Congress of the European Association of Zoo and Wildlife Veterinarians, Leipzig, Germany, 30 April 2008 - 3 May 2008, 277-286.

Schwarm, A; Ortmann, S; Wolf, C; Streich, W J; Clauss, M (2008). Excretion patterns of fluid and different sized particle passage markers in banteng (Bos javanicus) and pygmy hippopotamus (Hexaprotodon liberiensis): Two functionally different foregut fermenters. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 150(1):32-39.

Theus, M; Bitterli, F; Foldenauer, U (2008). Successful treatment of a gastric trichobezoar in a guinea pig (Cavia aperea porcellus). Journal of Exotic Pet Medicine, 17(2):148-151.

Clauss, M; Hummel, J; Schwarm, A; Steuer, P; Fritz, J; Martin Jurado, O; Tschudin, A; Hatt, J M (2008). An isthmus at the caecocolical junction is an anatomical feature of domestic and wild equids. European Journal of Wildlife Research, 54(2):347-351.

Clauss, M; Nijboer, J; Loermans, J H M; Roth, T; van der Kuilen, J; Beynen, A C (2008). Comparative digestion studies in wild suids at Rotterdam Zoo. Zoo Biology, 27(4):305-319.

Hofmann, R R; Streich, W J; Fickel, J; Hummel, J; Clauss, M (2008). Convergent evolution in feeding types: salivary gland mass differences in wild ruminant species. Journal of Morphology, 269(2):240-257.

Hummel, J; Fritz, J; Kienzle, E; Medici, E P; Lang, S; Zimmermann, W; Streich, W J; Clauss, M (2008). Differences in fecal particle size between free-ranging and captive individuals of two browser species. Zoo Biology, 27(1):70-77.

Martin-Jurado, O; Vogt, R; Kutter, A P N; Bettschart-Wolfensberger, R; Hatt, J M (2008). Effect of inhalation of isoflurane at end-tidal concentrations greater than, equal to, and less than the minimum anesthetic concentration on bispectral index in chickens. American Journal of Veterinary Research, 69(10):1254-1261.

Liesegang, A; Hatt, J M; Wanner, M (2008). Einfluss verschiedener Kalziumkonzentrationen im Futter auf die Verdaulichkeit von Calcium, Magnesium und Phosphor bei griechischen Landschildkröten (Testudo hermanni). Marginata, 5:35-40.

Clauss, M; Aufranc, R; Hatt, J M (2008). Feeding and faeces consistency of South American tapir (Tapirus terrestris) at Zurich Zoo. Zoologische Garten, 77:297-302.

Hummel, J; Steuer, P; Südekum, K H; Hammer, S; Hammer, C; Streich, W J; Clauss, M (2008). Fluid and particle retention in the digestive tract of the addax antelope (Addax nasomaculatus)--adaptations of a grazing desert ruminant. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 149(2):142-149.

Codron, D; Brink, J S; Rossouw, L; Clauss, M; Codron, J; Lee-Thorp, J A; Sponheimer, M (2008). Functional differentiation of african grazing ruminants: an example of specialized adaptations to very small changes in diet. Biological Journal of the Linnean Society, 94(4):755-764.

Wings, O; Hatt, J M; Schwarm, A; Clauss, M (2008). Gastroliths in a pygmy hippopotamus (Hexaprotodon liberiensis MORTON 1844)(Mammalia, Hippopotamidae). Senckenbergiana biologica: International Journal of Biodiversity, 88(2):345-348.

Clauss, M; Hofmann, R R; Streich, W J; Fickel, J; Hummel, J (2008). Higher masseter muscle mass in grazing than in browsing ruminants. Oecologia, 157(3):377-385.

Hummel, J; Gee, C T; Südekum, K H; Sander, P M; Nogge, G; Clauss, M (2008). In vitro digestibility of fern and gymnosperm foliage: implications for sauropod feeding ecology and diet selection. Proceedings of the Royal Society B: Biological Sciences, 275(1638):1015-1021.

Tschuor, A; Clauss, M (2008). Investigations on the stratification of forestomach contents in ruminants : an ultrasonographic approach. European Journal of Wildlife Research, 54(4):627-633.

Martin Jurado, O; Clauss, M; Hatt, J M (2008). Irregular tooth wear and longevity in captive wild ruminants : a pilot survey of necropsy reports. Journal of Zoo and Wildlife Medicine, 39(1):69-75.

Clauss, M (2008). Is there an intrinsic body size constraint in mammalian carnivory - reaction to Carbone et al. (2007) 'The costs of carnivory', part 1. PLoS Biology:Published online.

Besselmann, D; Schaub, D; Wenker, C; Völlm, J; Robert, N; Schelling, C; Steinmetz, H W; Clauss, M (2008). Juvenile mortality in captive Lesser Kudu (Tragelaphus imberbis) at Basle zoo and its relation to nutrition and husbandry. Journal of Zoo and Wildlife Medicine, 39(1):86-91.

Schmid-Brunclik, N; Simova-Curd, S; Kaufmann-Bart, M; Gassmann, M; Hatt, J M (2008). Liposarcoma in a veiled chameleon (Chamaeleo calyptratus). Journal of Herpetological Medicine and Surgery, 17(4):132-135.

Clauss, M; Hummel, J; Streich, W J; Südekum, K H (2008). Mammalian metabolic rate scaling to 2/3 or 3/4 depends on the presence of gut contents. Evolutionary Ecology Research, 10:153-154.

Hummel, J; Clauss, M (2008). Megaherbivores as pacemakers of carnivore diversity and biomass: distributing or sinking trophic energy. Evolutionary Ecology Research, 10:925-930.

Munn, A J; Streich, W J; Hummel, J; Clauss, M (2008). Modelling digestive constraints in non-ruminant and ruminant foregut-fermenting mammals. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 151(1):78-84.

Köchli, B; Schmid, N; Hatt, J M; Dennler, M; Steinmetz, H W (2008). Nonsurgical treatment of a bilateral mandibular fracture in a blue-tongued skink. Exotic DVM, 10(2):25-28.

Pérez, W; Clauss, M; Ungerfeld, P (2008). Observations on the macroscopic anatomy of the intestinal tract and its mesenteric folds in the pampas deer (ozotoceros bezoarticus, linnaeus 1758). Anatomia, Histologia, Embryologia: Journal of Veterinary Medicine Series C, 37(4):317-321.

Sander, P M; Clauss, M (2008). Paleontology: Sauropod Gigantism. Sciene, 322(5899):200-201.

Foldenauer, U; Pantchev, N; Simova-Curd, S; Martin Jurado, O; Hatt, J M (2008). Pentastomidenbefall bei Abgottschlangen (Boa constrictor) – Diagnostik und endoskopische Parasitenentfernung. Tierärztliche Praxis. Ausgabe K, Kleintiere, 36(6):443-449.

Clauss, M; Wittenbrink, M M; Castell, J C; Kienzle, E; Dierenfeld, E S; Flach, E J; Macgregor, S K; Hoppe, T; Hummel, J; Streich, W J; Hatt, J M (2008). Quantification of Enterobacteriaceae in faeces of captive black rhinoceros (Diceros bicornis) in relation to dietary tannin supplementation. Journal of Animal Physiology and Animal Nutrition, 92(1):29-34.

Hatt, J M (2008). Raising giant tortoises. In: Fowler, M E; Miller, R E. Zoo and Wild Animal Medicine Current Therapy Ed. 6. St. Louis, 144-153. ISBN 978-1-4160-4047-7.

Codron, D; Brink, J S; Rossouw, L; Clauss, M (2008). The evolution of ecological specialization in southern African ungulates: competition- or physical environmental turnover? Oikos, 117(3):344-353.

Clauss, M; Kaiser, T; Hummel, J (2008). The morphophysiological adaptations of browsing and grazing mammals. In: Gordon, I J [et al.]. The ecology of browsing and grazing. Berlin, 47-88. ISBN 978-3-540-72421-6.

Clauss, M; Dierenfeld, E S (2008). The nutrition of "browsers". In: Fowler, M E; et al,; Miller, R E. Zoo and wild animal medicine: current therapy. St. Louis, USA, 444-454. ISBN 978-1-4160-4047-7.

Staebler, S; Steinmetz, H W; Keller, S; Deplazes, P (2007). First description of natural Echinococcus multilocularis infections in chinchilla (Chinchilla laniger) and Prevost’s squirrel (Callosciurus prevostii borneoensis). Parasitology Research, 101(6):1725-1727.

Clauss, M; Schwarm, A; Ortmann, S; Streich, W J; Hummel, J (2007). A case of non-scaling in mammalian physiology? Body size, digestive capacity, food intake, and ingesta passage in mammalian herbivores. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 148(2):249-265.

Foldenauer, U; Curd, S; Zulauf, I; Hatt, J M (2007). Ante mortem diagnosis of mycobacterial infection by liver biopsy in a budgerigar (Melopsittacus undulatus). Schweizer Archiv für Tierheilkunde, 149(6):273-276.

Hammer, S; Jensen, S; Borjal, R; Clauss, M (2007). Bill impaction in a group of captive Caribbean flamingos (Phoenicopterus ruber ruber). Journal of Zoo and Wildlife Medicine, 38(3):465-470.

Hatt, J M; Christen, C; Sandmeier, P (2007). Clinical application of an external fixator in the repair of bone fractures in 28 birds. Veterinary Record, 160(6):188-194.

Clauss, M; Besselmann, D; Schwarm, A; Ortmann, S; Hatt, J M (2007). Demonstrating coprophagy with passage markers? The example of the plains viscacha (Lagostomus maximus). Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 147(2):453-9.

Codron, D; Codron, J; Lee-Thorp, J A; Sponheimer, M; de Ruiter, D J; Sealy, J; Grant, R; Fourie, N (2007). Diets of savanna ungulates from stable carbon isotope composition of faeces. Journal of Zoology, 273(1):21-29.

Clauss, M; Firzlaff, U; Castell, J C; Kiefer, B; Streich, W J; Liesegang, A (2007). Effect of captivity and mineral supplementation on body composition and mineral status of mustached bats (Pteronotus parnellii rubiginosus). Journal of Animal Physiology and Animal Nutrition, 91(5-6):187-192.

Steinmetz, H W; Vogt, R; Kästner, S; Riond, B; Hatt, J M (2007). Evaluation of the i-STAT portable clinical analyzer in chickens (Gallus gallus). Journal of Veterinary Diagnostic Investigation, 19(4):382-388.

Clauss, M; Grum, C; Hatt, J M (2007). Fatty acid status of captive wild animals: a review. Zoologische Garten, 76(5-6):382-401.

Foldenauer, U; Borjal, R J; Deb, A; Arif, A; Taha, A S; Watson, R W; Steinmetz, H W; Bürkle, M; Hammer, S (2007). Hematologic and plasma biochemical values of Spix's macaws (Cyanopsitta spixii). Journal of Avian Medicine and Surgery, 21(4):275-282.

Clauss, M; Sauter-Louis, C; Kienzle, E (2007). Historical copper and manganese levels in cattle feeds in bavaria, germany. Journal of Nutritional & Environmental Medicine, 16(1):69-74.

Liesegang, A; Hatt, J M; Wanner, M (2007). Influence of different dietary calcium levels on the digestibility of Ca, Mg and P in Hermann's tortoises (Testudo hermanni). Journal of Animal Physiology and Animal Nutrition, 91(11-12):459-464.

van Nijboer, J; Clauss, M; Van de Put, K; van der Kuilen, J; Wouterse, H; Beynen, A C (2007). Influence of two different diets on fluid and particle retention time javan langur (trachypithecus auratus auratus). Zoologische Garten, 77(1):36-46.

Clauss, M; Castell, J C; Kienzle, E; Schramel, P; Dierenfeld, E S; Flach, E J; Behlert, O; Streich, W J; Hummel, J; Hatt, J M (2007). Mineral absorption in the black rhinoceros (Diceros bicornis) as compared with the domestic horse. Journal of Animal Physiology and Animal Nutrition, 91(5-6):193-204.

Codron, D; Lee-Thorp, J A; Sponheimer, M; Codron, J (2007). Nutritional content of savanna plant foods: implications for browser/grazer models of ungulate diversification. European Journal of Wildlife Research, 53(2):100-111.

Clauss, M; Steinmetz, H W; Eulenberger, U; Ossent, P; Zingg, R; Hummel, J; Hatt, J M (2007). Observations on the length of the intestinal tract of African Loxodonta africana (Blumenbach 1797) and Asian elephants Elephas maximus (Linne 1735). European Journal of Wildlife Research, 53(1):68-72.

Steinmetz, H W; Clauss, M; Feige, K; Thio, T; Isenbügel, E; Hatt, J M (2007). Recurrent tongue tip constriction in a captive giant anteater (Myrmecophaga tridactyla). Journal of Zoo and Wildlife Medicine, 38(1):146-149.

Codron, D; Lee-Thorp, J A; Sponheimer, M; Codron, J; de Ruiter, D J; Brink, J S (2007). Significance of diet type and diet quality for ecological diversity of African ungulates. Journal of Animal Ecology, 76(3):526-537.

Codron, D; Lee-Thorp, J A; Sponheimer, M; Codron, J (2007). Stable carbon isotope reconstruction of ungulate diet changes through the seasonal cycle. South African Journal of Wildlife Research, 37(2):117-125.

Codron, D; Codron, J; Lee-Thorp, J A; Sponheimer, M; de Ruiter, D J; Brink, J S (2007). Stable isotope characterization of mammalian predator–prey relationships in a South African savanna. European Journal of Wildlife Research, 53(3):161-170.

Clauss, M; Castell, J C; Kienzle, E; Dierenfeld, E S; Flach, E J; Behlert, O; Ortmann, S; Streich, W J; Hummel, J; Hatt, J M (2007). The influence of dietary tannin supplementation on digestive performance in captive black rhinoceros (Diceros bicornis). Journal of Animal Physiology and Animal Nutrition, 91(11-12):449-458.

Clauss, M; Streich, W J; Schwarm, A; Ortmann, S; Hummel, J (2007). The relationship of food intake and ingesta passage predicts feeding ecology in two different megaherbivore groups. Oikos, 116(2):209-216.

Bauert, M; Furrer, S C; Zingg, R; Steinmetz, H W (2007). Three years of experience running the Masoala Rainforest ecosystem at Zurich Zoo, Switzerland. International Zoo Yearbook, 41(1):203-216.

Clauss, M; Franz-Odendaal, T A; Brasch, J; Castell, J C; Kaiser, T (2007). Tooth wear in captive giraffes (Giraffa camelopardalis): mesowear analysis classifies free-ranging specimens as browsers but captive ones as grazers. Journal of Zoo and Wildlife Medicine, 38(3):433-445.

Codron, D; Brink, J S (2007). Trophic ecology of two savanna grazers, blue wildebeest Connochaetes taurinus and black wildebeest Connochaetes gnou. European Journal of Wildlife Research, 53(2):90-99.

Zulauf-Fischer, I; Sandmeier, P; Hatt, J M (2007). Unerwünschte Nebenwirkungen beim Ziervogel durch die Anwendung von Salben zur Behandlung von Ohr- und Hautinfektionen bei Hunden und Katzen. Kleintierpraxis, 52(12):785-788.

Clauss, M; Hatt, J M; Hummel, J (2006). Fütterung grosser Pflanzenfresser. In: Arbeitstagung der Zootierärzte im deutschsprachigen Raum, Frankfurt, 3 November 2006 - 5 November 2006.

Christen, C; Richter, M; Fischer, I; Eule, C; Spiess, B M; Hatt, J M (2006). Unilateral evisceration of an eye following cornea and lens perforation in a sulfur-crested cockatoo (Cacatua galerita). Schweizer Archiv für Tierheilkunde, 148(11):615-619.

Grabowski, T; Clauss, M (2006). Environmental stress and antler development in captive roe deer (Capreolus capreolus). Four case reports. In: 6th Congress of the European Association of Zoo and Wildlife Veterinarians, Budapest (Hungary), 24 May 2006 - 28 May 2006, 247.

Rose, P; Hummel, J; Clauss, M (2006). Food and calculated energy intake in captive giraffe (Giraffa camelopardalis) in the UK. In: 6th Congress of the European Association of Zoo and Wildlife Veterinarians, Budapest (Hungary), 24 May 2006 - 28 May 2006, 289.

Hummel, J; Zimmermann, W; Langenhorst, T; Schleussner, G; Damen, M; Clauss, M (2006). Giraffe husbandry and feeding practices in Europe. Results of an EEP survey. In: 6th Congress of the European Association of Zoo and Wildlife Veterinarians, Budapest (Hungary), 24 May 2006 - 28 May 2006, 71-74.

Rajaonarisoa, M A H; Rakotozandriny, J; Katz, A; Clauss, M; Hatt, J M (2006). Improving the dietary regime for captive lemurs at ivoloina park by computer-based ration analysis. In: 6th Congress of the European Association of Zoo and Wildlife Veterinarians, Budapest (Hungary), 24 May 2006 - 28 May 2006, 287.

Clauss, M; Rose, P; Hummel, J; Hatt, J M (2006). Serous fat atrophy and other nutrition-related health problems in captive giraffe (Giraffa camelopardalis). An evaluation of 83 necropsy reports. In: 6th Congress of the European Association of Zoo and Wildlife Veterinarians, Budapest (Hungary), 24 May 2006 - 28 May 2006, 233-235.

Kienzle, E; Stürmer, K; Ranz, D; Clauss, M (2006). A high roughage/concentrate ratio decreases the effect of ammonium chloride on acid-base balance in horses. Journal of Nutrition, 136(7 Supp):2048S-2049S.

Clauss, M; Pellegrini, N; Castell, J C; Kienzle, E; Dierenfeld, E S; Hummel, J; Flach, E J; Streich, W J; Hatt, J M (2006). Antioxidant status of faeces of captive black rhinoceros (Diceros bicornis) in relation to dietary tannin supplementation. Journal of Veterinary Medicine Series A, 53(6):319-322.

Hammer, S; Hammer, C; Schulz, J; Wernery, U; Clauss, M (2006). Biochemische Serumparameter bei in Gefangenschaft gehaltenen Gazellen. Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere, 34(3):190-196.

Sauter-Louis, C; Clauss, M; Chaher, E; Klee, W; Wichmann, H E; Kienzle, E (2006). Breed predisposition for BSE: epidemiological evidence in Bavarian cattle. Schweizer Archiv für Tierheilkunde, 148(5):245-250.

Höllerl, S; Stimm, B; Hummel, J; Clauss, M (2006). Browse provision for captive herbivores. Design and management of a browse plantation. In: Fidgett, A; Clauss, M; Eulenberger, K; Hatt, J M; Hume, I; Janssens, G; Nijboer, J. Zoo animal nutrition Vol. III. Fürth, 211-212. ISBN 978-3-930831-57-9.

Hatt, J M; Clauss, M (2006). Browse silage in zoo animal nutrition : feeding enrichment of browsers during winter. In: Fidgett, A; Clauss, M; Eulenberger, K; Hatt, J M; Hume, I; Janssens, G; Nijboer, J. Zoo animal nutrition Vol. III. Fürth, 201-204. ISBN 978-3-930831-57-9.

Nijboer, J; Clauss, M; Nobel, J J L (2006). Browse silage. The solution for browsers in the wintertime? In: Fidgett, A; Clauss, M; Eulenberger, K; Hatt, J M; Hume, I; Janssens, G; Nijboer, J. Zoo animal nutrition Vol. III. Fürth, 205-209. ISBN 978-3-930831-57-9.

Kienzle, E; Kopsch, G; Koelle, P; Clauss, M (2006). Chemical composition of turtles and tortoises. Journal of Nutrition, 136(7 Supp):2053S-2054S.

Fischer, I; Curd, S; Hatt, J M (2006). Chronic regurgitation in a cockatiel (Nymphicus hollandicus) with a trichobezoar. Schweizer Archiv für Tierheilkunde, 148(6):309-311.

Simova-Curd, S; Nitzl, D; Mayer, J; Hatt, J M (2006). Clinical approach to renal neoplasia in budgerigars (Melopsittacus undulatus). Journal of Small Animal Practice, 47(9):504-511.

Steinmetz, H W; Kaumanns, W; Dix, I; Heistermann, M; Fox, M; Kaup, F J (2006). Coat condition, housing condition and measurement of faecal cortisol metabolites - a non-invasive study about alopecia in captive rhesus macaques (Macaca mulatta). Journal of Medical Primatology, 35(1):3-11.

Zollinger, E; Clauss, M; Steinmetz, H W; Hatt, J M (2006). Collection of exhaled breath and exhaled breath condensate in veterinary medicine. A review. Veterinary Quarterly, 28(3):105-117.

Codron, D; Codron, J; Lee-Thorp, J A; Sponheimer, M; de Ruiter, D J; Brink, J S (2006). Dietary variation in impala Aepyceros melampus recorded by carbon isotope composition of feces. Acta Zoologica Sinica, 52(6):1015-1025.

Zulauf-Fischer, I; Liesegang, A; Haessig, M; Clauss, M; Hatt, J M (2006). Differences in bone mineral content and density between male and female budgerigars (Melopsittacus undulatus) during the non-reproductive season. Journal of Veterinary Medicine Series A, 53(9):456-457.

Liesegang, A; Firzlaff, U; Kiefer, B; Streich, W J; Clauss, M (2006). Different supplementation of minerals in bats and the consequences on bone mineral density. In: Fidgett, A; Clauss, M; Eulenberger, K; Hatt, J M; Hume, I; Janssens, G. Zoo animal nutrition Vol. III. Fürth, 295-300. ISBN 978-3-930831-57-9.

Clauss, M; Castell, J C; Kienzle, E; Dierenfeld, E S; Flach, E J; Behlert, O; Ortmann, S; Streich, W J; Hummel, J; Hatt, J M (2006). Digestion coefficients achieved by the black rhinoceros (Diceros bicornis), a large browsing hindgut fermenter. Journal of Animal Physiology and Animal Nutrition, 90(7-8):325-334.

Schwarm, A; Ortmann, S; Hofer, H; Streich, W J; Flach, E J; Kühne, R; Hummel, J; Castell, J C; Clauss, M (2006). Digestion studies in captive Hippopotamidae: a group of large ungulates with an unusually low metabolic rate. Journal of Animal Physiology and Animal Nutrition, 90(7-8):300-308.

Sponheimer, M; Loudon, J E; Codron, D; Howells, M E; Pruetz, J D; Codron, J; de Ruiter, D J; Lee-Thorp, J A (2006). Do “savanna” chimpanzees consume C4 resources? Journal of Human Evolution, 51(2):128-133.

Nijboer, J; Clauss, M; Olsthoorn, M; Noordermeer, W; Huisman, T R; Verheyen, C; van der Kuilen, J; Streich, W J; Beynen, A C (2006). Effect of diet on the feces quality in javan langur (Trachypithecus auratus auratus). Journal of Zoo and Wildlife Medicine, 37(3):366-372.

Nijboer, J; Clauss, M; Everts, H; Beynen, A C (2006). Effect of dietary fibre on the faeces score in colobine monkeys at dutch zoos. In: Fidgett, A; Clauss, M; Eulenberger, K; Hatt, J M; Hume, I; Janssens, G; Nijboer, J. Zoo animal nutrition Vol. III. Fürth, 145-155. ISBN 978-3-930831-57-9.

Fischer, I; Christen, C; Lutz, H; Gerlach, H; Hässig, M; Hatt, J M (2006). Effects of two diets on the haematology, plasma chemistry and intestinal flora of budgerigars (Melopsittacus undulatus). Veterinary Record, 159(15):480-484.

Codron, J; Lee-Thorp, J A; Sponheimer, M; Codron, D; Grant, R C; de Ruiter, D J (2006). Elephant (Loxodonta africana) diets in Kruger National Park, South Africa: spatial and landscape differences. Journal of Mammalogy, 87(1):27-34.

Hummel, J; Nogge, G; Clauss, M; Nørgard, C; Johanson, K; Nijboer, J; Pfeffer, E (2006). Energy supply of the okapi in captivity: fermentation characteristics of feedstuffs. Zoo Biology, 25(4):251-266.

Hummel, J; Pfeffer, E; Nørgard, C; Johanson, K; Clauss, M; Nogge, G (2006). Energy supply of the okapi in captivity: intake and digestion trials. Zoo Biology, 25(4):303-316.

Clauss, M; Hänichen, T; Hummel, J; Ricker, U; Block, K; Grest, P; Hatt, J M (2006). Excessive iron storage in captive omnivores? The case of the coati (Nasua spp.). In: Fidgett, A; Clauss, M; Eulenberger, K; Hatt, J M; Hume, I; Janssens, G; Nijboer, J. Zoo animal nutrition Vol. III. Fürth, 91-99. ISBN 978-3-930831-57-9.

Hummel, J; Clauss, M (2006). Feeding. In: Barta, Z; Clauss, M; Culik, L; Damen, M; Hummel, J; Schleussner, G; Tomasova, K; Zimmermann, W. EAZA Husbandry and Management Guidelines for Giraffa camelopardalis. Arnhem, 29-61.

Hatt, J M; Clauss, M (2006). Feeding Asian and African elephants Elephas maximus and Loxodonta africana in captivity. International Zoo Yearbook, 40(1):88-95.

Hummel, J; Südekum, K H; Streich, W J; Clauss, M (2006). Forage fermentation patterns and their implications for herbivore ingesta retention times. Functional Ecology, 20(6):989-1002.

Codron, D; Lee-Thorp, J A; Sponheimer, M; de Ruiter, D J; Codron, J (2006). Inter- and intrahabitat dietary variability of chacma baboons (Papio ursinus) in South African savannas based on fecal δ13C, δ15N, and %N. American Journal of Physical Anthropology, 129(2):204-214.

Clauss, M; Sauter-Louis, C; Chaher, E; Pottgiesser, C; Goebel, S; Selhorst, T; Wichmann, H E; Klee, W; Kienzle, E (2006). Investigations of the potential risk factors associated with cases of bovine spongiform encephalopathy in Bavaria, Germany. Veterinary Record, 158(15):509-513.

Clauss, M; Castell, J C; Kienzle, E; Schramel, P; Dierenfeld, E S; Flach, E J; Behlert, O; Hatt, J M; Streich, W J; Hummel, J (2006). Macromineral absorption in the black rhinoceros (Diceros bicornis) compared with the domestic horse. Journal of Nutrition, 136(7 Supp):2017S-2020S.

Clauss, M; Hofmann, R R; Hummel, J; Adamczewski, J; Nygren, K; Pitra, C; Streich, W J; Reese, S (2006). Macroscopic anatomy of the omasum of free-ranging moose (Alces alces) and muskoxen (Ovibos moschatus) and a comparison of the omasal laminal surface area in 34 ruminant species. Journal of Zoology, 270(2):346-358.

Kubisch, U; Fischer, I; Hatt, J M (2006). Magenulkus beim Grünen Leguan ( Iguana iguana). Tierärztliche Praxis. Ausgabe K, Kleintiere, 34(1):50-53.

Steinmetz, H W; Rutz, C; Hoop, R K; Grest, P; Rohrer Bley, C; Hatt, J M (2006). Possible human-avian transmission of Mycobacterium tuberculosis in a green-winged macaw (Ara chloroptera). Avian Diseases, 50(4):641-645.

Clauss, M; Sauter-Louis, C (2006). Potential risk factors for BSE (reply to calavas and others). Veterinary Record, 158:743-744.

Clauss, M; Hummel, J; Eloff, P; Willats, R (2006). Sources of high iron content in manufactured pelleted feeds: a case report. In: Fidgett, A; Clauss, M; Eulenberger, K; Hatt, J M; Hume, I; Janssens, G; Nijboer, J. Zoo animal nutrition Vol. III. Fürth, 101-102. ISBN 978-3-930831-57-9.

Clauss, M; Hummel, J; Völlm, J; Lorenz, A; Hofmann, R R (2006). The allocation of a ruminant feeding type to the okapi (Okapia johnstoni) on the basis of morphological parameters. In: Fidgett, A; Clauss, M; Eulenberger, K; Hatt, J M; Hume, I; Janssens, G; Nijboer, J. Zoo animal nutrition Vol. III. Fürth, 253-270. ISBN 978-3-930831-57-9.

Nijboer, J; Clauss, M (2006). The digestive physiology of colobine primates. In: Nijboer, J. Fibre intake and faeces quality in leaf-eating primates. Ridderkerk, The Netherlands, 9-28.

Clauss, M; Hummel, J; Streich, W J (2006). The dissociation of the fluid and particle phase in the forestomach as a physiological characteristic of large grazing ruminants: an evaluation of available, comparable ruminant passage data. European Journal of Wildlife Research, 52(2):88-98.

Clauss, M; Hatt, J M (2006). The feeding of rhinoceros in captivity. International Zoo Yearbook, 40(1):197-209.

Hummel, J; Clauss, M; Baxter, E; Flach, E J; Johanson, K (2006). The influence of roughage intake on the occurrence of oral disturbances in captive giraffids. In: Fidgett, A; Clauss, M; Eulenberger, K; Hatt, J M; Hume, I; Janssens, G; Nijboer, J. Zoo animal nutrition Vol. III. Fürth, 235-252. ISBN 978-3-930831-57-9.

Clauss, M; Hummel, J (2006). The next meal is today: feeding recommendations in the absence of scientifically sound results – the question of iron availability. In: Fidgett, A; Clauss, M; Eulenberger, K; Hatt, J M; Hume, I; Janssens, G; Nijboer, J. Zoo animal nutrition Vol. III. Fürth, 103-106. ISBN 978-3-930831-57-9.

Steinmetz, H W; Nitzl, D; Curd, S; Zulauf-Fischer, I; Christen, C; Hatt, J M (2006). Ultrasonography in avian species: an underused diagnostic tool. Exotic DVM, 8:66-77.

Clauss, M; Sauter-Louis, C; Chaher, E; Klee, W; Wichmann, H E; Kienzle, E (2006). Ursachenforschung zur Verbreitung von BSE: eine Bestandsaufnahme in Bayern. Kraftfutter, (7-8):20-24.

Christen, C; Hatt, J M (2006). What is your diagnosis? Journal of Avian Medicine and Surgery, 20(2):129-131.

Frölich, K; Grabitzky, S E; Walzer, C; Delahay, R J; Dorrestein, GM; Hatt, J M (2006). Zoo and wildlife medical education: a European perspective. Journal of Veterinary Medical Education, 33(3):401-407.

Codron, D; Codron, J; Lee-Thorp, J A; Sponheimer, M; de Ruiter, D J (2005). Animal diets in the Waterberg based on stable isotopic composition of faeces. South African Journal of Wildlife Research, 35:43-52.

Codron, D; Codron, J; Sponheimer, M; Lee-Thorp, J A; Robinson, T; Grant, C C; de Ruiter, D J (2005). Assessing diet in savanna herbivores using stable carbon isotope ratios of faeces. Koedoe, 48(1):115-124.

Clauss, M; Hummel, J (2005). Bemerkungen zur Ernährung von Zootieren: Mischfutterhersteller können wirksam Unterstützung leisten. Kraftfutter, (12):12-17.

Fischer, I; Christen, C; Scharf, G; Hatt, J M (2005). Cardiomegaly in a whooper swan (Cygnus cygnus). Veterinary Record, 156(6):178-182.

Schwarm, A; Ortmann, S; Kühne, R; Caspers, B; Kelm, D; Clauss, M (2005). Comparative analysis of physical and chemical characteristics of faeces from free-ranging and captive collared peccaries (Tayassu tajacu). Proceedings of the European Society of Veterinary and Comparative Nutrition, 9:102.

Steinmetz, H W; Kaumanns, W; Dix, I; Neimeier, K A; Kaup, F J (2005). Dermatologic investigation of alopecia in rhesus macaques (Macaca mulatta). Journal of Zoo and Wildlife Medicine, 36(2):229-238.

Hatt, J M; Schaub, D; Wanner, M; Wettstein, H R; Flach, E J; Tack, C; Hässig, M; Ortmann, S; Hummel, J; Clauss, M (2005). Energy and fibre intake in a group of captive giraffe (Giraffa camelopardalis) offered increasing amounts of browse. Journal of Veterinary Medicine Series A, 52(10):485-490.

Clauss, M; Polster, C; Kienzle, E; Wiesner, H; Baumgartner, K; von Houwald, F; Streich, W J; Dierenfeld, E (2005). Energy and mineral nutrition and water intake in the captive Indian rhinoceros (Rhinoceros unicornis). Zoo Biology, 24(1):1-14.

Christen, C; Fischer, I; von Rechenberg, B; Flückiger, M; Hatt, J M (2005). Evaluation of a maxillofacial miniplate compact 1.0 for stabilization of the ulna in experimentally induced ulnar and radial fractures in pigeons (Columba livia). Journal of Avian Medicine and Surgery, 19(3):185-190.

Hatt, J M; Clauss, M; Gisler, R; Liesegang, A; Wanner, M (2005). Fiber digestibility in juvenile Galapagos tortoises (Geochelone nigra) and implications for the development of captive animals. Zoo Biology, 24(2):185-191.

Hummel, J; Clauss, M; Zimmermann, W; Johanson, K; Nørgaard, C; Pfeffer, E (2005). Fluid and particle retention in captive okapi (Okapia johnstoni). Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 140(4):436-444.

Clauss, M; Fröschle, T; Castell, J C; Hummel, J; Hatt, J M; Ortmann, S; Streich, W J (2005). Fluid and particle retention times in the black rhinoceros (diceros bicornis), a large hindgut-fermenting browser. Acta Theriologica, 50(3):367-376.

Clauss, M; Sauter-Louis, C; Kienzle, E (2005). Gibt es ein BSE-Risiko durch Kreuzkontaminationen? Verfütterungsverbot für tierische Bestandteile war sinnvoll. Kraftfutter, (4):26-27.

Sponheimer, M; Lee-Thorp, J A; de Ruiter, D J; Codron, D; Codron, J; Baugh, A T; Thackeray, F (2005). Hominins, sedges, and termites: new carbon isotope data from the Sterkfontein valley and Kruger National Park. Journal of Human Evolution, 48(3):301-312.

Dierenfeld, E S; Atkinson, S; Craig, A M; Walker, K C; Streich, W J; Clauss, M (2005). Mineral concentrations in serum/plasma and liver tissue of captive and free-ranging Rhinoceros species. Zoo Biology, 24(1):51-72.

Potter, J S; Clauss, M (2005). Mortality of captive giraffe (Giraffa camelopardalis) associated with serous fat atrophy: a review of five cases at Auckland Zoo. Journal of Zoo and Wildlife Medicine, 36(2):301-307.

Flores-Miyamoto, K; Clauss, M; Ortmann, S; Sainsbury, A W (2005). Nutrition of captive lowland anoa (Bubalus depressicornis): a study on ingesta passage, intake, digestibility, and a diet survey. Zoo Biology, 24(2):125-134.

Clauss, M; Hummel, J; Vercammen, F; Streich, W J (2005). Observations on the macroscopic digestive anatomy of the Himalayan tahr (Hemitragus jemlahicus). Anatomia, Histologia, Embryologia: Journal of Veterinary Medicine Series C, 34(4):276-278.

Clauss, M; Polster, C; Kienzle, E; Wiesner, H; Baumgartner, K; von Houwald, F; Ortmann, S; Streich, W J; Dierenfeld, E S (2005). Studies on digestive physiology and feed digestibilities in captive Indian rhinoceros (Rhinoceros unicornis). Journal of Animal Physiology and Animal Nutrition, 89(3-6):229-237.

Clauss, M; Gehrke, J; Hatt, J M; Dierenfeld, E S; Flach, E J; Hermes, R; Castell, J; Streich, W J; Fickel, J (2005). Tannin-binding salivary proteins in three captive rhinoceros species. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 140(1):67-72.

Codron, J; Codron, D; Lee-Thorp, J A; Sponheimer, M; Bond, W J; de Ruiter, D J; Grant, R (2005). Taxonomic, anatomical, and spatio-temporal variations in the stable carbon and nitrogen isotopic compositions of plants from an African savanna. Journal of Archaeological Science, 32(12):1757-1772.

Clauss, M; Robert, N; Walzer, C; Vitaud, C; Hummel, J (2005). Testing predictions on body mass and gut contents: dissection of an African elephant Loxodonta africana Blumenbach 1797. European Journal of Wildlife Research, 51(4):291-294.

Clauss, M; Hummel, J (2005). The digestive performance of mammalian herbivores: why big may not be that much better. Mammal Review, 35(2):174-187.

Codron, D; Luyt, J; Lee-Thorp, J A; Sponheimer, M; de Ruiter, D J; Codron, J (2005). Utilization of savanna-based resources by Plio-Pleistocene baboons. South African Journal of Science, 101(5-6):245-248.

Clauss, M (2004). A potential interplay of posture, digestive anatomy, density of ingesta and gravity in mammalian herbivores, or why sloths do not rest upside down. Mammal Review, 34(3):241-245.

Clauss, M; Schwarm, A; Ortmann, S; Thierer, D; Hildebrandt, T; Hohmann, G; Flach, E J; Kühne, R; Hofer, H (2004). Comparative analysis of physical and chemical characteristics of faeces from free-ranging and captive common hippopotami (Hippopotamus amphibius). Advances in Ethology, 38:26.

Furrer, S C; Hatt, J M; Snell, H; Marquez, C; Honegger, R E; Rübel, A (2004). Comparative study on the growth of juvenile Galapagos giant tortoises (Geochelone nigra) at the Charles Darwin Research Station (Galapagos Islands, Ecuador) and Zoo Zurich (Zurich, Switzerland). Zoo Biology, 23(2):177-183.

Hatt, J M; Wenker, C; Castell, J; Clauss, M (2004). Dietary and veterinary management of a lingual abscess in a geriatric captive black rhino (Diceros bicornis). Proceedings of the European Association of Zoo and Wildlife Veterinarians, 5:339-340.

Clauss, M; Lechner-Doll, M; Streich, W J (2004). Differences in the range of faecal dry matter content between feeding types of captive wild ruminants. Acta Theriologica, 49(2):259-267.

Schwarm, A; Clauss, M; Ortmann, S; Alber, D; Flach, E J; Kühne, R; Tack, C; Hofer, H (2004). Energy and mineral nutrition in captive hippopotamidae. Proceedings of the European Association of Zoo and Wildlife Veterinarians, 5:315-316.

Schwitzer, C; Peters, N; Kaumanns, W; Behlert, O; Clauss, M (2004). Evaluation of lemur necropsy reports with special reference to haemosiderosis. Proceedings of the European Association of Zoo and Wildlife Veterinarians, 5:317.

Schaub, D; Clauss, M; Flach, E J; Wettstein, H R; Tack, C; Hatt, J M (2004). Influence of physical and chemical composition of diet on oral stereotypies in captive giraffes (giraffa camelopardalis). Proceedings of the European Association of Zoo and Wildlife Veterinarians, 5:27-28.

Clauss, M; Schwarm, A; Ortmann, S; Alber, D; Flach, E J; Kühne, R; Hummel, J; Streich, W J; Hofer, H (2004). Intake, ingesta retention, particle size distribution and digestibility in the hippopotamidae. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 139(4):449-459.

Wood, C; Clauss, M (2004). Panda phlebotomies? The need for comparative screening for haemochromatosis. Lancet, 364:1384-1385.

Hatt, J M; Gardelle, O; Hauser, B; Clauss, M (2004). Preliminary results of the analysis of liver biopsies for the diagnosis of iron storage diesease in captive lemurs. Proceedings of the European Association of Zoo and Wildlife Veterinarians, 5:23-24.

Behrend, A; Lechner-Doll, M; Streich, W J; Clauss, M (2004). Seasonal faecal excretion, gut fill, liquid and particle marker retention in mouflon ovis ammon musimon, and a comparison with roe deer capreolus capreolus. Acta Theriologica, 49(4):503-515.

Hatt, J M; Grest, P; Posthaus, H; Bossart, W (2004). Serologic survey in a colony of captive common marmosets (Callithrix jacchus) after infection with herpes simplex type 1-like virus. Journal of Zoo and Wildlife Medicine, 35(3):387-390.

Clauss, M; Lendl, C E; Schramel, P; Streich, W J (2004). Skin lesions in alpacas and llamas with low zinc and copper status - a preliminary report. Veterinary Journal, 167(3):302-305.

Hatt, J M; Fellinger, J; Geyer, B (2003). Veterinary care of shoebills (Balaeniceps rex) in European zoos with special emphasis on the Zurich Zoo. In: Conference of the American Association of Zoo Veterinarians, Minneapolis, USA, 4 October 2003 - 10 October 2003, 271-273.

Clauss, M; Lason, K; Gehrke, J; Lechner-Doll, M; Fickel, J; Grune, T; Streich, W J (2003). Captive roe deer (Capreolus capreolus) select for low amounts of tannic acid but not quebracho: fluctuation of preferences and potential benefits. Comparative Biochemistry and Physiology - Part B: Biochemistry and Molecular Biology, 136(2):369-382.

Flach, E J; Clauss, M; Hunt, A (2003). Copper deficiency in yak (Bos grunniens) at whipsnade wild animal park. In: Fidgett, A L; Clauss, M; Ganslosser, U; Hatt, J M; Nijboer, J. Zoo animal nutrition Vol. II. Fürth, 103-111. ISBN 978-3-930831-51-7.

Clauss, M; Kienzle, E (2003). Cross-contamination of ruminant feed stuffs in Bavaria after the comprehensive feed ban. Deutsche tierärztliche Wochenschrift, 110(12):506-508.

Sponheimer, M; Grant, C C; de Ruiter, D J; Lee-Thorp, J A; Codron, D; Codron, J (2003). Diets of impala from Kruger National Park: evidence from stable carbon isotopes. Koedoe, 46(1):101-106.

Clauss, M; Kiefer, B (2003). Digestive acidosis in captive wild herbivores: implications for hoof health. Verhandlungsbericht Erkrankungen der Zootiere, 41:57-70.

Clauss, M (2003). Do cows fed BSE-infected meat and bone meal in the colostrum-producing stage pass on infectious BSE agent to their calves? Medical Hypotheses, 61(4):439-443.

Clauss, M; Kienzle, E; Wiesner, H (2003). Feeding browse to large zoo herbivores. How much is “a lot”, how much is “sufficient”? In: Fidgett, A L; Clauss, M; Ganslosser, U; Hatt, J M; Nijboer, J. Zoo animal nutrition Vol. II. Fürth, 17-25. ISBN 978-3-930831-51-7.

Clauss, M; Kienzle, E; Hatt, J M (2003). Feeding practice in captive wild ruminants : pecularities in the nutrition of browsers/concentrate selectors and intermediate feeders. A review. In: Fidgett, A L; Clauss, M; Ganslosser, U; Hatt, J M; Nijboer, J. Zoo Animal Nutrition Vol. II. Fürth, 27-52. ISBN 978-3-930831-51-7.

Clauss, M; Flach, E J; Tack, C; Lechner-Doll, M; Streich, W J; Hatt, J M (2003). Food intake, preference patterns and digestion coefficients in captive giraffe (giraffa camelopardalis) offered a tannin-containing pelleted diet. Verhandlungsbericht Erkrankungen der Zootiere, 41:333-342.

Dehnhard, M; Hatt, J M; Eulenberger, K; Ochs, A; Strauss, G (2003). Headspace solid-phase microextraction (SPME) and gas chromatography-mass spectrometry (GC-MS) for the determination of 5alpha-androst-2-en-17-one and -17beta-ol in the female Asian elephant: application for reproductive monitoring and prediction of parturition. Journal of Steroid Biochemistry and Molecular Biology, 84(2-3):383-391.

Wood, C; Fang, S G; Hunt, A; Streich, W J; Clauss, M (2003). Increased iron absorption in lemurs: quantitative screening and assessment of dietary prevention. American Journal of Primatology, 61(3):101-110.

Loehlein, W; Kienzle, E; Wiesner, H; Clauss, M (2003). Investigations on the use of chromium oxide as an inert external marker in captive Asian elephants (Elephas maximus). Passage and recovery rates. In: Fidgett, A L; Clauss, M; Ganslosser, U; Hatt, J M; Nijboer, J. Zoo animal nutrition Vol. II. Fürth, 223-232. ISBN 978-3-930831-51-7.

Guscetti, F; Mathis, A; Hatt, J M; Deplazes, P (2003). Overt fatal and chronic subclinical Encephalitozoon cuniculi microsporidiosis in a colony of captive emperor tamarins (Saguinus imperator). Journal of Medical Primatology, 32(2):111-119.

Clauss, M; Wang, Y; Ghebremeskel, K; Lendl, C E; Streich, W J (2003). Plasma and erythrocyte fatty acids in captive Asian (Elephas maximus) and African (Loxodonta africana) elephants. Veterinary Record, 153(2):54-58.

Clauss, M; Lechner-Doll, M; Streich, W J (2003). Ruminant diversification as an adaptation to the physicomechanical characteristics of forage. a reevaluation of an old debate and a new hypothesis. Oikos, 102(2):253-262.

Clauss, M; Loehlein, W; Kienzle, E; Wiesner, H (2003). Studies on feed digestibilities in captive Asian elephants (Elephas maximus). Journal of Animal Physiology and Animal Nutrition, 87(3-4):160-73.

Clauss, M (2003). Tannins in the nutrition of wild animals. A review. In: Fidgett, A L; Clauss, M; Ganslosser, U; Hatt, J M; Nijboer, J. Zoo animal nutrition Vol. II. Fürth, 53-89. ISBN 978-3-930831-51-7.

Clauss, M; Kienzle, E; Wiesner, H (2003). The botanical, structural and chemical composition of different pelleted feeds used in a captive browsing ruminant, the moose (Alces alces). In: Fidgett, A L; Clauss, M; Ganslosser, U; Hatt, J M; Nijboer, J. Zoo animal nutrition Vol. II. Fürth, 91-101. ISBN 978-3-930831-51-7.

Hatt, J M; Hung, E; Wanner, M (2003). The influence of diet on the body composition of the house cricket (Acheta domesticus) and consequences for their use in zoo animal nutrition. Zoologische Garten, 73(4):238-244.

Clauss, M; Frey, R; Kiefer, B; Lechner-Doll, M; Loehlein, W; Polster, C; Rössner, G E; Streich, W J (2003). The maximum attainable body size of herbivorous mammals: morphophysiological constraints on foregut, and adaptations of hindgut fermenters. Oecologia, 136(1):14-27.

Huder, J B; Böni, J; Hatt, J M; Soldati, G; Lutz, H; Schüpbach, J (2002). Identification and characterization of two closely related unclassifiable endogenous retroviruses in pythons (Python molurus and Python curtus). Journal of Virology, 76(15):7607-7615.

Hatt, J M (2002). Anästhesie und Analgesie bei Ziervögeln. Schweizer Archiv für Tierheilkunde, 144(11):606-613.

Clauss, M; Lechner-Doll, M; Flach, E J; Wisser, J; Hatt, J M (2002). Digestive tract pathology of captive giraffe. A unifying hypothesis. Proceedings of the European Association of Zoo and Wildlife Veterinarians, 4:99-107.

Clauss, M; Lechner-Doll, M; Hänichen, T; Hatt, J M (2002). Excessive iron storage in captive mammalian herbivores. A hypothesis for its evolutionary etiopathology. Proceedings of the European Association of Zoo and Wildlife Veterinarians, 5:123-131.

Clauss, M; Lechner-Doll, M; Streich, W J (2002). Faecal particle size distribution in captive wild ruminants: an approach to the browser/grazer dichotomy from the other end. Oecologia, 131(3):343-349.

Clauss, M; Jessup, D A; Norkus, E B; Chen, T C; Holick, M F; Streich, W J; Dierenfeld, E S (2002). Fat soluble vitamins in blood and tissues of free-ranging and captive rhinoceros. Journal of Wildlife Diseases, 38(2):402-13.

Clauss, M; Kienzle, E; Wiesner, H (2002). Fütterungspraxis in der Haltung von Elchen (Alces alces). Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere, 30:408-418.

Clauss, M; Kienzle, E; Wiesner, H (2002). Importance of the wasting syndrome complex in captive moose (Alces alces). Zoo Biology, 21(5):499-506.

Hatt, J M; Gisler, R; Mayes, R W; Lechner-Doll, M; Clauss, M; Liesegang, A; Wanner, M (2002). The use of dosed and herbage n-alkanes as markers for the determination of intake, digestibility, mean retention time and diet selection in galapagos tortoises (geochelone nigra). Herpetological Journal, 12(2):45-54.

Clauss, M; Lechner-Doll, M; Flach, E J; Tack, C; Hatt, J M (2001). Comparative use of four different marker systems for the estimation of digestibility and low food intake in a group of captive giraffes (giraffa camelopardalis). Zoo Biology, 20(4):315-329.

Clauss, M; Lechner-Doll, M (2001). Differences in selective reticulo-ruminal particle retention as a key factor in ruminant diversification. Oecologia, 129(3):321-327.

Dehnhard, M; Clauss, M; Lechner-Doll, M; Meyer, H H D; Palme, R (2001). Noninvasive monitoring of adrenocortical activity in roe deer (Capreolus capreolus) by measurement of fecal cortisol metabolites. General and Comparative Endocrinology, 123(1):111-20.

Clauss, M; Lechner-Doll, M; Behrend, A; Lason, K; Lang, D; Streich, W J (2001). Particle retention in the forestomach of a browsing ruminant, the roe deer capreolus capreolus. Acta Theriologica, 46(1):103-107.

Suter, C; Müller-Doblies, U U; Hatt, J M; Deplazes, P (2001). Prevention and treatment of Encephalitozoon cuniculi infection in rabbits with fenbendazole. Veterinary Record, 148(15):478-480.

Hatt, J M; Mayes, R W; Clauss, M; Lechner-Doll, M (2001). Use of artificially applied n-alkanes as markers for the estimation of digestibility, food selection and intake in pigeons (columba livia). Animal Feed Science and Technology, 94(1-2):65-76.

Albicker-Rippinger, P; Fraefel, D; Wunderwald, C; Hatt, J M; Hoop, R K (2001). What is your diagnosis? Psittacosis. Schweizer Archiv für Tierheilkunde, 143(3):155-157.

Clauss, M; Lechner-Doll, M; Palme, R; Rohleder, M; Dehnhard, M (2000). Stress and disturbance : the effect of long-acting tranquillizer on concentration of faecal cortisol metabolites in captive roe deer (capreolus capreolus) after handling and transport. Advances in Ethology, 35:107.

Clauss, M; Flach, E J; Ghebremeskel, K; Tack, C; Hatt, J M (2000). Supplementing the diet of captive giraffe (Giraffa camelopardalis) with linseed extraction chips. In: Nijboer, J; Hatt, J M; Kaumanns, W; Beynen, A C; Ganslosser, U. Zoo animal nutrition Vol. I. Fürth, 271-280. ISBN 3-930831-29-5.

Clauss, M; Dierenfeld, E S (1999). Susceptibility of yak (Bos grunniens) to copper deficiency. Veterinary Record, 145(15):436-437.

Clauss, M; Suedmeyer, W K; Flach, E J (1999). Susceptibility to cold in captive giraffe (giraffa camelopardalis). Proceedings of the American Association of Zoo Veterinarians:183-186.

Wenker, C; Hatt, J M; Hertzberg, H; Ossent, P; Hänichen, T; Brack, A; Isenbügel, E (1998). Dicrocoeliasis in New World camelids. Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere, 26(6):355-361.

Clauss, M; Deutsch, A; Lechner-Doll, M; Flach, E J; Tack, C (1998). Passage rate of fluid and particle phase in captive giraffe (giraffa camelopardalis). Advances in Ethology, 33:98.

Hatt, J M; Sainsbury, A W (1998). Unusual case of metabolic bone disease in a common marmoset (Callithrix jacchus). Veterinary Record, 143(3):78-80.

Hatt, J M; Baumgartner, R; Isenbügel, E (1996). Diagnosis and medical care of raptors in a compilation of cases from 1985-1994. Schweizer Archiv für Tierheilkunde, 138(9):434-440.

Baumgartner, R; Hatt, J M; Döbeli, M; Hauser, B (1996). Endocrinologic and pathologic findings in ornamental birds with polyostotic hyperostosis. Schweizer Archiv für Tierheilkunde, 138(12):591-595.

Hatt, J M; Baumgartner, R (1996). The zoo veterinarian in changing times. Schweizer Archiv für Tierheilkunde, 138(12):573-578.

Hoop, R K; Hatt, J M; Guscetti, F (1995). What is your diagnosis? An infection by Trichomonas sp. in a budgerigar. Schweizer Archiv für Tierheilkunde, 137(8):389-390.

Hatt, J M; Rübel, A; Flückiger, M (1991). Which diagnosis do you suggest? The histology of the operatively distant mass shows a bile duct adenoma. Schweizer Archiv für Tierheilkunde, 133(8):395-397.

This list was generated on Wed Oct 29 20:50:30 2014 CET.