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Number of items: 28.

Grandl, F; Luzi, S P; Furger, M; Zeitz, J O; Leiber, F; Ortmann, S; Clauss, Marcus; Kreuzer, M; Schwarm, A (2016). Biological implications of longevity in dairy cows: 1. Changes in feed intake, feeding behavior, and digestion with age. Journal of Dairy Science, 99(5):3457-3471.

Hagen, K B; Dittmann, M T; Ortmann, S; Kreuzer, M; Hatt, Jean-Michel; Clauss, Marcus (2016). Retention of solute and particle markers in the digestive tract of chinchillas (Chinchilla laniger). Journal of Animal Physiology and Animal Nutrition, 100:801-806.

Gull, J; Stahl, M; Osmann, C; Ortmann, S; Kreuzer, Michael; Hatt, Jean-Michel; Clauss, Marcus (2015). Digestive physiology of captive giant anteaters (Myrmecophaga tridactyla): determinants of faecal dry matter content. Journal of Animal Physiology and Animal Nutrition, 99(3):565-576.

Clauss, Marcus; 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.

Stahl, M; Osmann, C; Ortmann, S; Kreuzer, Michael; Hatt, Jean-Michel; Clauss, Marcus (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.

Schwarm, A; Albrecht, S; Ortmann, S; Wolf, C; Clauss, Marcus (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.

Clauss, Marcus; 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.

Hebel, C; Ortmann, S; Hammer, S; Hammer, C; Fritz, J; Hummel, J; Clauss, Marcus (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.

Schwarm, A; Ortmann, S; Rietschel, W; Kühne, R; Wibbelt, G; Clauss, Marcus (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.

Schwarm, A; Schweigert, M; Ortmann, S; Hummel, J; Janssens, G P J; Streich, W J; Clauss, Marcus (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.

Schwarm, A; Ortmann, S; Wolf, C; Streich, W J; Clauss, Marcus (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, Marcus (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.

Schwarm, A; Ortmann, S; Wolf, C; Streich, W J; Clauss, Marcus (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, Jürgen; Südekum, K H; Bayer, D; Ortmann, S; Streich, W J; Hatt, Jean-Michel; Clauss, Marcus (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, Marcus; 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.

Schwarm, A; Ortmann, S; Wolf, C; Streich, W J; Clauss, Marcus (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.

Clauss, Marcus; 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.

Clauss, Marcus; Castell, J C; Kienzle, E; Dierenfeld, E S; Flach, E J; Behlert, O; Ortmann, S; Streich, W J; Hummel, J; Hatt, Jean-Michel (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, Marcus; 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.

Clauss, Marcus; Castell, J C; Kienzle, E; Dierenfeld, E S; Flach, E J; Behlert, O; Ortmann, S; Streich, W J; Hummel, J; Hatt, Jean-Michel (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, Marcus (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.

Schwarm, A; Ortmann, S; Kühne, R; Caspers, B; Kelm, D; Clauss, Marcus (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.

Hatt, Jean-Michel; Schaub, D; Wanner, M; Wettstein, H R; Flach, E J; Tack, C; Hässig, Michael; Ortmann, S; Hummel, J; Clauss, Marcus (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.

Flores-Miyamoto, K; Clauss, Marcus; 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, Marcus; 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, Marcus; 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.

Schwarm, A; Clauss, Marcus; 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.

Clauss, Marcus; 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.

This list was generated on Sun Dec 17 16:53:41 2017 CET.