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Number of items: 115.

Scaravaggi, Iside; Borel, Nicole; Romer, Rebekka; Imboden, Isabel; Ulbrich, Susanne E; Zeng, Shuqin; Bollwein, Heiner; Bauersachs, Stefan (2019). Cell type-specific endometrial transcriptome changes during initial recognition of pregnancy in the mare. Reproduction, Fertility and Development, 31(3):496.

Niozas, G; Tsousis, G; Steinhöfel, I; Brozos, C; Römer, A; Wiedemann, S; Bollwein, Heiner; Kaske, Martin (2019). Extended lactation in high-yielding dairy cows. I. Effects on reproductive measurements. Journal of Dairy Science, 102(1):799-810.

Niozas, G; Tsousis, G; Malesios, C; Steinhöfel, I; Boscos, C; Bollwein, Heiner; Kaske, Martin (2019). Extended lactation in high-yielding dairy cows. II. Effects on milk production, udder health, and body measurements. Journal of Dairy Science, 102(1):811-823.

Hassan, Mubbashar; Arshad, Usman; Bilal, Muhammad; Sattar, Abdul; Avais, Muhammad; Bollwein, Heiner; Ahmad, Nasim (2019). Luteal blood flow measured by Doppler ultrasonography during the first three weeks after artificial insemination in pregnant and non-pregnant Bos indicus dairy cows. Journal of Reproduction and Development, 65(1):29-36.

Bollwein, Heiner; Pricking, Sebastian; Spilker, Kim; Martinsson, Gunila; Rau, Janina; Toenissen, Anna; Sieme, Hartmut (2019). Equine fetal gender determination in mid- and advanced gestation by transabdominal approach - comparative study using 2D B-Mode ultrasound, Doppler sonography, 3D B-Mode and following tomographic ultrasound imaging. Pferdeheilkunde, 35(1):11-19.

Wyck, Sarah; Herrera, Carolina; Requena, Cristina E; Bittner, Lilli; Hájková, Petra; Bollwein, Heiner; Santoro, Raffaella (2018). Oxidative stress in sperm affects the epigenetic reprogramming in early embryonic development. Epigenetics & Chromatin, 11(1):60.

Wang, Shaopu; Meese, Susanne; Ulbrich, Susanne E; Bollwein, Heiner; Röntgen, Monika; Gimsa, Ulrike; Schwarm, Angela (2018). Effect of immune modulators on in vitro activation and proliferation of peripheral blood mononuclear cells from multiparous Holstein cows peripartum. Journal of Animal Physiology and Animal Nutrition, 102(6):1515-1520.

Herzog, Kathrin; Debertolis, Letizia; Kastelic, John P; Schmicke, Marion; Ulbrich, Susanne E; Bollwein, Heiner (2018). Effects of intravenous infusion of E.coli lipopolysaccharide in early pregnant cows. Reproduction:Epub ahead of print.

Lüttgenau, J; Imboden, Isabel; Romer, R; Scaravaggi, Iside Naomi Ester; Neves, A P; Wellnitz, O; Bruckmaier, R M; Janett, F; Bollwein, Heiner (2018). Ovarian and uterine blood flow in cycling mares after intrauterine infusion of killed deep-frozen semen or physiologic saline. Journal of Equine Veterinary Science, 66:142.

Jeannerat, E; Marti, E; Berney, C; Janett, Fredi; Bollwein, Heiner; Sieme, H; Burger, D; Wedekind, C (2018). Stallion semen quality depends on major histocompatibility complex matching to teaser mare. Molecular Ecology, 27(4):1025-1035.

Gürler, H; Podhajsky, E; Özen, D; Leiding, C; Bollwein, Heiner; Meinecke-Tillmann, S (2018). Suitability of the hemi-zona assay for the evaluation of the effect of the length of the equilibration period before cryopreservation. Theriogenology, 106:157-163.

Bittner, L; Wyck, S; Herrera, C; Siuda, M; Wrenzycki, C; van Loon, B; Bollwein, Heiner (2018). Negative effects of oxidative stress in bovine spermatozoa on in vitro development and DNA integrity of embryos. Reproduction, Fertility and Development, 30(10):1359-1368.

Heppelmann, M; Volland, J; Pfarrer, C; Kietzmann, M; Bäumer, W; Merbach, S; Schoon, H-A; Wellnitz, O; Schmicke, M; Hoedemaker, M; Bollwein, Heiner (2018). Effects of oxytocin and PGF2α on uterine contractility in cows with and without metritis-An in-vitro study. Animal Reproduction Science, 188:144-154.

Ibănescu, Iulian; Leiding, Claus; Bollwein, Heiner (2018). Cluster analysis reveals seasonal variation of sperm subpopulations in extended boar semen. Journal of Reproduction and Development, 64(1):33-39.

Pricking, S; Bollwein, Heiner; Spilker, K; Martinsson, G; Schweizer, A; Thomas, S; Oldenhof, H; Sieme, H (2017). Testicular volumetry and prediction of daily sperm output in stallions by orchidometry and two- and three-dimensional sonography. Theriogenology, 104:149-155.

Korkmaz, Fatih Mehmet; Malama, E; Siuda, M; Leiding, C; Bollwein, Heiner (2017). Effects of sodium pyruvate on viability, synthesis of reactive oxygen species, lipid peroxidation and DNA integrity of cryopreserved bovine sperm. Animal Reproduction Science, 185:18-27.

Wach-Gygax, L; Burger, D; Malama, Eleni; Bollwein, Heiner; Fleisch, A; Jeannerat, E; Thomas, S; Schuler, G; Janett, Fredi (2017). Seasonal changes of DNA fragmentation and quality of raw and cold-stored stallion spermatozoa. Theriogenology, 99:98-104.

Górriz-Martín, L; Ulbrich, S E; Schmicke, M; Hirsbrunner, G; Keller, C; Yücesoy, N; Pfarrer, C; Bollwein, Heiner; Heppelmann, M (2017). The myometrial contractility during late pregnancy in dairy cows, in vitro. Animal Reproduction Science, 181:130-140.

Bollwein, Heiner; Janett, Fredi; Kaske, M (2017). Effects of nutrition on sexual development of bulls. Animal Reproduction, 14(3):607-613.

Gündüz, Mehmet Can; Evkuan Dal, Gamze; Kurban, İbrahim; Turna, Özge; Uçmak, Zeynep; Uçmak, Melih; Ozsait Selçuk, Bilge; Kömürcü Bayrak, Evrim; Yildirim, Funda; Haktanir, Damla; Kasikçi, Güven; Bollwein, Heiner (2017). Uterine immune response after single and double fresh sperm insemination in mares. Kafkas Universitesi Veteriner Fakultesi Dergisi, 23(6):879-886.

Fleisch, Andreas; Malama, Eleni; Witschi, U; Leiding, C; Siuda, Mathias; Janett, Fredi; Bollwein, Heiner (2017). Effects of an extension of the equilibration period up to 96 hours on the characteristics of cryopreserved bull semen. Theriogenology, 89:255-262.

Sanchez, Roberto; Blanco, Miguel; Weiss, Julia; Rosati, Irma; Herrera, Carolina; Bollwein, Heiner; Burger, Dominik; Sieme, Harald (2017). Influence of embryonic size and manipulation on pregnancy rates of mares after transfer of cryopreserved equine embryos. Journal of Equine Veterinary Science, 49:54-59.

Malama, E; Zeron, Y; Janett, Fredi; Siuda, Mathias; Roth, Z; Bollwein, Heiner (2017). Use of computer-assisted sperm analysis and flow cytometry to detect seasonal variations of bovine semen quality. Theriogenology, 87:79-90.

Elmetwally, Mohammed; Bollwein, Heiner (2017). Uterine blood flow in sheep and goats during the peri-parturient period assessed by transrectal Doppler sonography. Animal Reproduction Science, 176:32-39.

Salilew-Wondim, Dessie; Ibrahim, Sally; Gebremedhn, Samuel; Tesfaye, Dawit; Heppelmann, Maike; Bollwein, Heiner; Pfarrer, Christiane; Tholen, Ernst; Neuhoff, Christiane; Schellander, Karl; Hoelker, Michael (2016). Clinical and subclinical endometritis induced alterations in bovine endometrial transcriptome and miRNome profile. BMC Genomics, 17:218.

Schmid, D; Schiess, A; Tustain, G; Fleisch, Andreas; Bollwein, Heiner; Janett, Fredi (2016). Sonographische Trächtigkeitsuntersuchung und Bestimmung von Anzahl und Alter der Feten beim Schaf. Schweizer Archiv für Tierheilkunde, 158(2):93-101.

Debertolis, Letizia; Mari, Gaetano; Merlo, Barbara; Merbach, Sabine; Schoon, Heinz-Adolf; Iacono, Eleonora; Bollwein, Heiner (2016). Effects of induced endometritis on uterine blood flow in cows as evaluated by transrectal Doppler sonography. Journal of Veterinary Science, 17(2):189-197.

Lüttgenau, Johannes; Möller, Benjamin; Kradolfer, David; Wellnitz, Olga; Bruckmaier, Rupert M; Miyamoto, Akio; Ulbrich, Susanne E; Bollwein, Heiner (2016). Lipopolysaccharide enhances apoptosis of corpus luteum in isolated perfused bovine ovariesin vitro. Reproduction, 151(1):17-28.

Bollwein, Heiner; Janett, Fredi; Kaske, Martin (2016). Impact of nutritional programming on the growth, health, and sexual development of bull calves. Domestic animal endocrinology, 56(Suppl):S180-S190.

Lüttgenau, Johannes; Herzog, Kathrin; Strüve, Klaas; Latter, Sophie; Boos, Alois; Bruckmaier, Rupert M; Bollwein, Heiner; Kowalewski, Mariusz Pawel (2016). LPS-mediated effects and spatio-temporal expression of TLR2 and TLR4 in the bovine corpus luteum. Reproduction, 151:391-399.

Zoller, D; Lüttgenau, Johannes; Steffens, Sabine; Bollwein, Heiner (2016). The effect of isosorbide dinitrate on uterine and ovarian blood flow in cycling and early pregnant mares: A pilot study. Theriogenology, 85(9):1562-1567.

Kaya, Semra; Kaçar, Cihan; Polat, Bülent; Çolak, Armağan; Kaya, Duygu; Gürcan, I S; Bollwein, Heiner; Aslan, Selim (2016). Association of luteal blood flow with follicular size, serum estrogen and progesterone concentrations, and the inducibility of luteolysis by PGF2α in dairy cows. Theriogenology, 87:167-172.

Lüttgenau, Johannes; Purschke, S; Tsousis, G; Bruckmaier, Rupert M; Bollwein, Heiner (2016). Body condition loss and increased serum levels of nonesterified fatty acids enhance progesterone levels at estrus and reduce estrous activity and insemination rates in postpartum dairy cows. Theriogenology, 85(4):656-663.

Lüttgenau, Johannes; Kögel, T; Bollwein, Heiner (2016). Effects of GnRH or PGF2α in week 5 postpartum on the incidence of cystic ovarian follicles and persistent corpora lutea and on fertility parameters in dairy cows. Theriogenology, 85(5):904-913.

Gürler, H; Malama, E; Heppelmann, M; Calisici, O; Leiding, C; Kastelic, J.P; Bollwein, Heiner (2016). Effects of cryopreservation on sperm viability, synthesis of reactive oxygen species, and DNA damage of bovine sperm. Theriogenology, 86(2):562-571.

Lüttgenau, Johannes; Wellnitz, Olga; Kradolfer, David; Kalaitzakis, E; Ulbrich, Susanne E; Bruckmaier, Rupert M; Bollwein, Heiner (2016). Intramammary lipopolysaccharide infusion alters gene expression but does not induce lysis of the bovine corpus luteum. Journal of Dairy Science, 99(5):4018-4031.

Lüttgenau, Johannes; Lingemann, Bernhard; Wellnitz, Olga; Hankele, A K; Schmicke, M; Ulbrich, S E; Bruckmaier, Rupert M; Bollwein, Heiner (2016). Repeated intrauterine infusions of lipopolysaccharide alter gene expression and lifespan of the bovine corpus luteum. Journal of Dairy Science, 99(8):6639-6653.

Heppelmann, M; Weinert, M; Ulbrich, S E; Brömmling, A; Piechotta, M; Merbach, S; Schoon, H-A; Hoedemaker, M; Bollwein, Heiner (2016). The effect of puerperal uterine disease on histopathologic findings and mRNA expression of proinflammatory cytokines of the endometrium in dairy cows. Theriogenology, 85(7):1348-1356.

Bollwein, Heiner; Heppelmann, Maike; Lüttgenau, Johannes (2016). Ultrasonographic doppler use for female reproduction management. The Veterinary clinics of North America. Food animal practice, 32(1):149-164.

Lüttgenau, Johannes; Mang, H; Borel, Nicole; Bruckmaier, Rupert M; Bollwein, Heiner (2016). Ultrasonographic examination reduces the percentage of unsuccessful inseminations in dairy cows. Theriogenology, 85(4):664-670.

Sieme, Harald; Lüttgenau, Johannes; Sielhorst, Jutta; Martinsson, Gunilla; Bollwein, Heiner; Thomas, Selina; Burger, Dominik (2015). Improving the formation and function of the corpus luteum in the mare. Revista Brasileira de Reprodução Animal, 39(1):117-120.

Forro, A; Tsousis, G; Beindorff, N; Sharifi, A R; Brozos, C; Bollwein, Heiner (2015). Factors affecting the success of resynchronization protocols with or without progesterone supplementation in dairy cows. Journal of Veterinary Science, 16(1):121-126.

Küçükaslan, İbrahim; Kaya, Duygu; Wollgarten, Bernhard; Aslan, Selim; Ay, Serhan Serhat; Findik, Murat; Kaçar, Cihan; Bollwein, Heiner (2015). Investigation of the effects of acupuncture stimulation on the size and blood flow of corpus luteum and progesterone levels in dairy cows. Kafkas Universitesi Veteriner Fakultesi Dergisi, 21(6):877-883.

Oldenhof, Harriëtte; Heutelbeck, Anna; Blässe, Anne-Kathrin; Bollwein, Heiner; Martinsson, Gunilla; Wolkers, Willem F; Sieme, Harald (2015). Tolerance of spermatozoa to hypotonic stress: role of membrane fluidity and correlation with cryosurvival. Reproduction, Fertility and Development, 27(2):285-293.

Piechotta, M; Mysegades, W; Ligges, U; Lilienthal, J; Hoeflich, A; Miyamoto, A; Bollwein, Heiner (2015). Antepartal insulin-like growth factor 1 and insulin-like growth factor binding protein 2 concentrations are indicative of ketosis in dairy cows. Journal of Dairy Science, 98(5):3100-3109.

Wellnitz, Olga; Zbinden, Christina; Lüttgenau, Johannes; Bollwein, Heiner; Bruckmaier, Rupert M (2015). Different chronological patterns of appearance of blood derived milk components during mastitis indicate different mechanisms of transfer from blood into milk. Journal of Dairy Research, 82(03):322-327.

Heppelmann, M; Brömmling, A; Ulbrich, S E; Weinert, M; Piechotta, M; Wrenzycki, C; Merbach, S; Schoon, H-A; Hoedemaker, M; Bollwein, Heiner (2015). Effect of suppression of postpartum ovulation on endometrial inflammation in dairy cows. Theriogenology, 84(1):155-162.

Klewitz, J; Struebing, C; Rohn, K; Goergens, A; Martinsson, G; Orgies, F; Probst, J; Hollinshead, F; Bollwein, Heiner; Siemens, H J (2015). Effects of age, parity, and pregnancy abnormalities on foal birth weight and uterine blood flow in the mare. Theriogenology, 83(4):721-729.

Gürler, Hakan; Calisici, Oguz; Calisici, Duygu; Bollwein, Heiner (2015). Effects of feeding omega-3-fatty acids on fatty acid composition and quality of bovine sperm and on antioxidative capacity of bovine seminal plasma. Animal Reproduction Science, 160:97-104.

Gürler, Hakan; Calisici, Oguz; Bollwein, Heiner (2015). Inter- and intra-individual variability of total antioxidant capacity of bovine seminal plasma and relationships with sperm quality before and after cryopreservation. Animal Reproduction Science, 155:99-105.

Shirasuna, Koumei; Matsumoto, Haruka; Matsuyama, Shuichi; Kimura, Koji; Bollwein, Heiner; Miyamoto, Akio (2015). Possible role of interferon tau on the bovine corpus luteum and neutrophils during the early pregnancy. Reproduction, 150(3):217-225.

Heppelmann, Maike; Krach, Karoline; Krueger, Lars; Benz, Philipp; Herzog, Kathrin; Piechotta, Marion; Hoedemaker, Martina; Bollwein, Heiner (2015). The effect of metritis and subclinical hypocalcemia on uterine involution in dairy cows evaluated by sonomicrometry. Journal of Reproduction and Development, 61(6):565-569.

Fleisch, A; Werne, S; Heckendorn, F; Hartnack, Sonja; Piechotta, M; Bollwein, Heiner; Thun, R; Janett, Fredi (2012). Comparison of 6-day progestagen treatment with Chronogest® CR and Eazi-breed™ CIDR® G intravaginal inserts for estrus synchronization in cyclic ewes. Small Ruminant Research, 107(2-3):141-146.

Serhan Serhat, A Y; Kükükaslan, I; Kaya, D; Mülazimoglu, B; Emre, B; Kaçar, Cihan; Kalender, H; Findik, Murat; Bollwein, Heiner; Riegler, M; Schäfer, S; Scholbach, J (2012). The change in luteal blood flow and luteal size after beta carotene and GnRH injections in early pregnant dairy cows. Kafkas Universitesi Veteriner Fakultesi Dergisi, 18(6):1035-1041.

Nitta, Akane; Shirasuna, Koumei; Haneda, Shingo; Matsui, Motozumi; Shimizu, Takashi; Matsuyama, Shuichi; Kimura, Koji; Bollwein, Heiner; Miyamoto, Akio (2011). Possible involvement of IFNT in lymphangiogenesis in the corpus luteum during the maternal recognition period in the cow. Reproduction, 142(6):879-892.

Piechotta, M; Herzog, K; Kaske, Martin; Gundling, N; Feldmann, Maren; Bollwein, Heiner; Hoedemaker, H (2011). Trächtigkeitsdiagnostik bei Kühen: Optionen, Probleme und Perspektiven. Der praktische Tierarzt, 92(7):602-610.

Becker, M; Heun, C; Tsousis, G; Bollwein, Heiner (2011). Application of computed tomography for the evaluation of obstetrically relevant measurements in German Holstein-Friesian calves. Theriogenology, 75(6):1052-1056.

Pancarci, S M; Güngör, Ö; Atakişi, O; Çiğremiş, Y; Arı, U Ç; Bollwein, Heiner (2011). Changes in follicular blood flow and nitric oxide levels in follicular fluid during follicular deviation in cows. Animal Reproduction Science, 123(3-4):149-156.

Piechotta, Marion; Bollwein, Julia; Friedrich, Morten; Heilkenbrinker, Thomas; Passavant, Chuck; Branen, Josh; Sasser, Garth; Hoedemaker, Martina; Bollwein, Heiner (2011). Comparison of commercial ELISA blood tests for early pregnancy detection in dairy cows. Journal of Reproduction and Development, 57(1):72-75.

Aslan, Selim; Arslanbas, D; Beindorff, N; Bollwein, Heiner (2011). Effects of induction of ovulation with GnRH or hCG on follicular and luteal blood flow in Holstein-Friesian heifers. Reproduction in Domestic Animals, 46(5):781-786.

Sander, A K; Piechotta, M; Schlamberger, G; Bollwein, Heiner; Kaske, M; Sipka, A; Schuberth, H J (2011). Ex vivo phagocytic overall performance of neutrophilic granulocytes and the relation to plasma insulin-like growth factor-I concentrations in dairy cows during the transition period. Journal of Dairy Science, 94(4):1762-1771.

Tsousis, G; Becker, M; Lüpke, M; Goblet, F; Heunen, C; Seifert, H; Bollwein, Heiner (2011). Extraction methods in bovine obstetrics: comparison of the demanded energy and importance of calf and traction. Theriogenology, 75(3):495-499.

Röpke, T; Oldenhof, H; Leiding, C; Sieme, H; Bollwein, Heiner; Wolkers, W F (2011). Liposomes for cryopreservation of bovine sperm. Theriogenology, 76(8):1465-1472.

Herzog, K; Voss, C; Kastelic, J P; Beindorff, N; Paul, V; Niemann, H; Bollwein, Heiner (2011). Luteal blood flow increases during the first three weeks of pregnancy in lactating dairy cows. Theriogenology, 75(3):549-554.

Oldenhof, Harriëtte; Blässe, Anne-Kathrin; Wolkers, Willem F; Bollwein, Heiner; Sieme, Harald (2011). Osmotic properties of stallion sperm subpopulations determined by simultaneous assessment of cell volume and viability. Theriogenology, 76(2):386-391.

Honnens, Aenne; Weisser, Simone; Welter, Harald; Einspanier, Ralf; Bollwein, Heiner (2011). Relationships between uterine blood flow, peripheral sex steroids, expression of endometrial estrogen receptors and nitric oxide synthases during the estrous cycle in mares. Journal of Reproduction and Development, 57(1):43-48.

Ehlers, J; Behr, M; Bollwein, Heiner; Beyerbach, M; Waberski, D (2011). Standardization of computer-assisted semen analysis using an e-learning application. Theriogenology, 76(3):448-454.

Thijssen, Johan M; Herzog, Kathrin; Weijers, Gert; Brockhan-Luedemann, Maren; Starke, Alexander; Niemann, Heiner; Bollwein, Heiner; de Korte, Chris L (2011). Ultrasound image analysis offers the opportunity to predict plasma progesterone concentrations in the estrous cycle in cows: a feasibility study. Animal Reproduction Science, 127(1-2):7-15.

Herzog, Kathrin; Koerte, Juliane; Flachowsky, Gerhard; Bollwein, Heiner (2011). Variability of uterine blood flow in lactating cows during the second half of gestation. Theriogenology, 75(9):1688-1694.

Bertelsmann, H; Keppler, S; Höltershinken, M; Bollwein, Heiner; Behne, D; Alber, D; Bukalis, G; Kyriakopoulos, A; Sieme, H (2010). Selenium in blood, semen, seminal plasma and spermatozoa of stallions and its relationship to sperm quality. Reproduction, Fertility and Development, 22(5):886-891.

Fischer, Alice; Hasenpusch, Erwin; Weyand, Angelika; Bollwein, Heiner (2010). Effekte der unterschiedlich starken Verdünnung auf die individuell- und ejakulatbedingte Variabilität der Plasmamembranintegrität, des akrosomalen Status und die DNA-Integrität kryokonservierten Bullenspermas. Berliner und Münchener Tierärztliche Wochenschrift, 123(1-2):83-88.

Tsousis, G; Heun, C; Becker, M; Bollwein, Heiner (2010). Application of computed tomography for the evaluation of obstetrically relevant pelvic parameters in German Holstein-Friesian cows. Theriogenology, 73(3):309-315.

Esser, S; Landaeta-Hernandez, A; Hernandez-Fonseca, J P; Verlander, J; Stunic, G; Escalona, F; Madrid-Bury, N; Quintero-Moreno, A; Bollwein, Heiner; Kaske, M; Chenoweth, P J (2010). Diadem/crater defect in spermatozoa of a Brahman bull: seminal traits, microscopic findings and IVF fertility. Genetic predisposition? Molecular Reproduction and Development, 77(12):1000.

Bollwein, Heiner; Prost, D; Ulbrich, S E; Niemann, H; Honnens, A (2010). Effects of a shortened preovulatory follicular phase on genital blood flow and endometrial hormone receptor concentrations in Holstein-Friesian cows. Theriogenology, 73(2):242-249.

Becker, M; Tsousis, G; Lüpke, M; Goblet, F; Heun, C; Seifert, H; Bollwein, Heiner (2010). Extraction forces in bovine obstetrics: an in vitro study investigating alternate and simultaneous traction modes. Theriogenology, 73(8):1044-1050.

Petrunkina, A M; Waberski, D; Bollwein, Heiner; Sieme, H (2010). Identifying non-sperm particles during flow cytometric physiological assessment a simple approach. Theriogenology, 73(7):995-1000.

Herzog, K; Brockhan-Lüdemann, M; Kaske, M; Beindorff, N; Paul, V; Niemann, H; Bollwein, Heiner (2010). Luteal blood flow is a more appropriate indicator for luteal function during the bovine estrous cycle than luteal size. Theriogenology, 73(5):691-697.

Arvisais, Edward; Hou, Xiaoying; Wyatt, Todd A; Shirasuna, Koumei; Bollwein, Heiner; Miyamoto, Akio; Hansen, Thomas R; Rueda, Bo R; Davis, John S (2010). Prostaglandin F2alpha represses IGF-I-stimulated IRS1/phosphatidylinositol-3-kinase/AKT signaling in the corpus luteum: role of ERK and P70 ribosomal S6 kinase. Molecular Endocrinology, 24(3):632-643.

Götze, A; Honnens, A; Flachowsky, G; Bollwein, Heiner (2010). Variability of mammary blood flow in lactating Holstein-Friesian cows during the first twelve weeks of lactation. Journal of Dairy Science, 93(1):38-44.

Beindorff, Nicola; Nagai, Kaya; Shirasuna, Koumei; Herzog, Kathrin; Hoeffmann, Katharina; Sasaki, Motoki; Bollwein, Heiner; Miyamoto, Akio (2010). Vascular changes in the corpus luteum during early pregnancy in the cow. Journal of Reproduction and Development, 56(2):263-270.

Beindorff, N; Honnens, A; Penno, Y; Paul, V; Bollwein, Heiner (2009). Effects of human chorionic gonadotropin on luteal blood flow and progesterone secretion in cows and in vitro-microdialyzed corpora lutea. Theriogenology, 72(4):528-534.

Krueger, Lars; Koerte, Juliane; Tsousis, Georgios; Herzog, Kathrin; Flachowsky, Gerhard; Bollwein, Heiner (2009). Transrectal Doppler sonography of uterine blood flow during the first 12 weeks after parturition in healthy dairy cows. Animal Reproduction Science, 114(1-3):23-31.

Honnens, A; Niemann, H; Herzog, K; Paul, V; Meyer, H H D; Bollwein, Heiner (2009). Relationships between ovarian blood flow and ovarian response to eCG-treatment of dairy cows. Animal Reproduction Science, 113(1-4):1-10.

Sterbenc, N; Bollwein, Heiner; Klinc, P (2009). Effect of antioxidants (sodium pyruvate and catalase) on post thaw motility. Comptes rendus de l’Académie bulgare des Sciences, 62(5):615-620.

Wrenzycki, C; Bollwein, Heiner (2009). Einfluss von Leistungshöhe und Ernährung auf das Reproduktionsgeschehen. Züchtungskunde, 81(6):461-467.

Jordan, A; Herzog, K; Ulbrich, S E; Beindorff, N; Honnens, Ä; Krüger, L; Miyamoto, A; Bollwein, Heiner (2009). Genital blood flow and endometrial gene expression during the preovulatory period after prostaglandin F2α-induced luteolysis in different luteal phases in cows. Journal of Reproduction and Development, 55(3):309-315.

Rauch, Alexandra; Krüger, Lars; Miyamoto, Akio; Bollwein, Heiner (2008). Colour Doppler sonography of cystic ovarian follicles in cows. Journal of Reproduction and Development, 54(6):447-453.

Honnens, A; Voss, C; Herzog, K; Niemann, H; Rath, D; Bollwein, Heiner (2008). Uterine blood flow during the first 3 weeks of pregnancy in dairy cows. Theriogenology, 70(7):1048-1056.

Bollwein, Heiner; Schulze, Johann Joachim; Miyamoto, Akio; Sieme, Harald (2008). Testicular blood flow and plasma concentrations of testosterone and total estrogen in the stallion after the administration of human chorionic gonadotropin. Journal of Reproduction and Development, 54(5):335-339.

Honnens, A; Niemann, H; Paul, V; Meyer, H H D; Bollwein, Heiner (2008). Doppler sonography of the uterine arteries during a superovulatory regime in cattle. Uterine blood flow in superovulated cattle. Theriogenology, 70(5):859-867.

Herzog, Kathrin; Kiossis, Evangelos; Bollwein, Heiner (2008). Examination of cyclic changes in bovine luteal echotexture using computer-assisted statistical pattern recognition techniques. Animal Reproduction Science, 106(3-4):289-297.

Schmauder, Sandra; Weber, Frank; Kiossis, Evangelos; Bollwein, Heiner (2008). Cyclic changes in endometrial echotexture of cows using a computer-assisted program for the analysis of first- and second-order grey level statistics of B-Mode ultrasound images. Animal Reproduction Science, 106(1-2):153-161.

Ardón, Florencia; Helms, Dietmar; Sahin, Evrim; Bollwein, Heiner; Töpfer-Petersen, Edda; Waberski, Dagmar (2008). Chromatin-unstable boar spermatozoa have little chance of reaching oocytes in vivo. Reproduction, 135(4):461-470.

Bollwein, Heiner; Fuchs, I; Koess, C (2008). Interrelationship between plasma membrane integrity, mitochondrial membrane potential and DNA. Reproduction in Domestic Animals, 43(2):189-195.

Bollwein, Heiner; Diaz, L; Sieme, H (2008). Zusammenhänge zwischen Alter, Parität, endometrialer Fibrosierung, Frühgraviditätsrate und uteriner Durchblutung bei der Stute. Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere, 36(03):204-208.

Aslan, S; Bollwein, Heiner; Stolla, R (2008). İneklerde follikül, corpus luteum, ovaryum kistleri olgularında renkli doppler ultrasonografi aracılığıyla vaskülarizasyon değişikliklerinin incelenmesi. Ankara University Journal of Faculty of Educational Sciences, 55:89-94.

Herzog, K; Bollwein, Heiner (2007). Application of Doppler ultrasonography in cattle reproduction. Reproduction in Domestic Animals, 42(Suppl 2):51-58.

Bollwein, Heiner; Scheibenzuber, Eva; Stolla, Rudolf; Echte, Arndt Friedrich; Sieme, Harald (2006). Die Hodendurchblutung beim Hengst: Variabilität und Zusammenhänge zur Spermaqualität und Fertilität. Pferdeheilkunde, 22(2):123-130.

Bertelsmann, H; Bollwein, Heiner; Sieme, H; Alber, D; Kyriakopoulos, A; Behne, D (2005). Selenium contents in equine semen and semen fractions and their relations with chromatin integrity and foal birthing rate. Animal Reproduction Science, 89(1-4):212-215.

Bollwein, Heiner; Kolberg, Birgit; Stolla, Rudolf (2004). The effect of exogenous estradiol benzoate and altrenogest on uterine and ovarian blood flow during the estrous cycle in mares. Theriogenology, 61(6):1137-1146.

Bollwein, Heiner; Weber, F; Stolla, Rudolf; Woschée, I (2004). Transrectal Doppler sonography of uterine and umbilical blood flow during pregnancy in mares. Theriogenology, 61(2-3):499-509.

Bollwein, Heiner; Weber, Frank; Steffen, Stefanie; Stolla, R (2004). The effect of acetylsalicylic acid and captopril on uterine and ovarian blood flow during the estrous cycle in mares. Theriogenology, 61(2-3):301-309.

Welter, H; Bollwein, Heiner; Weber, F; Rohr, S (2004). Expression of endothelial and inducible nitric oxide synthases is modulated in the endometrium of cyclic and early pregnant mares. Reproduction, Fertility and Development, 16(7):689-698.

Riedl, J; Brauchle, U; Daffner, B; Bollwein, Heiner; Stolla, R; Schönreiter, S; Ehrhard, R (2004). Zusammenhänge zwischen Geburtsverlauf, Cortisolspiegel und immunglobulin-G-Absorption beim neugeborenen Kalb. Tieraerztliche Umschau, 59(12):683-686.

Bollwein, Heiner; Sowade, Cornelia; Stolla, R (2003). The effect of semen extender, seminal plasma and raw semen on uterine and ovarian blood flow in mares. Theriogenology, 60(4):607-616.

Schmid, T E; Kamischke, A; Bollwein, Heiner; Nieschlag, E; Brinkworth, M H (2003). Genetic damage in oligozoospermic patients detected by fluorescence in-situ hybridization, inverse restriction site mutation assay, sperm chromatin structure assay and the Comet assay. Human Reproduction, 18(7):1474-1480.

Bollwein, Heiner; Mayer, Rainer; Stolla, Rudolf (2003). Transrectal Doppler sonography of uterine blood flow during early pregnancy in mares. Theriogenology, 60(4):597-605.

Bollwein, Heiner; Stolla, R; Rohr, S; Welter, H; Weber, F; Einspanier, R (2002). Relationships between uterine blood flow, estrogens and nitric oxide in cycling mares. Theriogenology, 58(2-4):575-578.

Bollwein, Heiner; Mayer, R; Weber, F; Stolla, R (2002). Luteal blood flow during the estrous cycle in mares. Theriogenology, 57(8):2043-2051.

Bollwein, Heiner; Baumgartner, U; Stolla, R (2002). Transrectal Doppler sonography of uterine blood flow in cows during pregnancy. Theriogenology, 57(8):2053-2061.

Bollwein, Heiner; Weber, F; Kolberg, B; Stolla, R (2002). Uterine and ovarian blood flow during the estrous cycle in mares. Theriogenology, 57(8):2129-2138.

Stolla, R; Chen, Y-H; Bollwein, Heiner (2001). Examination of embryonic death in mares using colour Doppler and B-mode sonography. Pferdeheilkunde, 17(6):543-547.

Bollwein, Heiner; Meyer, H H D; Maierl, J; Weber, F; Baumgartner, U; Stolla, R (2000). Transrectal Doppler sonography of uterine blood flow in cows during the estrous cycle. Theriogenology, 53(8):1541-1552.

Bollwein, Heiner; Maierl, J; Mayer, R; Stolla, R (1998). Transrectal color Doppler sonography of the A-uterina in cyclic mares. Theriogenology, 49(8):1483-1488.

Bollwein, Heiner; Schad, Claudia; Märkle-Rutz, Ingrid; Scheifele, N (1998). Zur Behandlung prämaturer Fohlen. Pferdeheilkunde, 14(1):19-27.

This list was generated on Fri Feb 22 06:54:53 2019 CET.