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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, table 1.
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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 (6): 231-241, figs. 1-4, tabs. 1-5.
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Dierenfeld, E.S.; Clauss, M. 2007. The nutrition of "browsers". In: Fowler's Zoo and Wild Animal Medicine: Current therapy vol. 6: 444-454, 5 tables.
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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, figs. 1-3, tabs. 1-3.
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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.
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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: 325-334, figs. 1-3, tables 1-6.
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Clauss, M.; Hatt, J.M. 2006. The feeding of rhinoceros in captivity. International Zoo Yearbook 40: 197-209, pl. 1, tables 1-2.
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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: 2017S-2020S, fig. 1, table 1.
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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 A 53: 319-322, figs. 1-2, table 1.
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Clauss, M.; Polster, C.; Kienzle, E.; Wiesner, H.; Baumgartner, K.; Streich, W.J.; Dierenfeld, E.S. 2005. Energy and mineral nutrition and water intake in the captive Indian rhinoceros (Rhinoceros unicornis). Zoo Biology 24: 1-14, fig.1, tabs. 1-6.
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Clauss, M.; Polster, C.; Kienzle, E.; Wiesner, H.; Baumgartner, K.; 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: 229-237, figs. 1-3.
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Clauss, M.; Castell, J.C.; Kienzle, E.; Schramel, P.; Dierenfeld, E.S.; Flach, E.J.; Behlert, O.; Ortmann, S.; Streich, W.J.; Hummel, J.; Hatt, J.M. 2005. A contribution to the trace element nutrition of captive black rhinoceroses (Diceros bicornis). In Graffam W, Hellinga D, Maslanka M, Ward A, Eds. Proceedings of the Sixth Conference on Zoo and Wildlife Nutrition, AZA Nutrition Advisory Group, Om.
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Clauss, M.; Froeschle, T.; Castell, J.C.; Hatt, J.M.; Ortmann, S.; Streich, W.J.; Hummel, J. 2005. Fluid and particle retention times in the black rhinoceros Diceros bicornis, a large hindgut-fermenting browser. Acta Theriologica 50 (3): 367-376, figs. 1-2, tabs. 1-3.
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Clauss, M.; Gehrke, J.; Hatt, J.M.; Dierenfeld, E.S.; Flach, E.J.; Hermes, R.; Castell, J.C.; Streich, W.J.; Fickel, J. 2005. Tannin-binding salivary proteins in three captive rhinoceros species. Comparative Biochemistry and Physiology 140A: 67-72, figs. 1-3.
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Dierenfeld, E.S.; Atkinson, Shirley J.; 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: 51-72, figs. 1-2, tabs. 1-6.
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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) with iron storage disease. Proceedings of the European Association of Zoo and Wildlife Veterinarians 2004: 1-2.
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Polster, C.; Clauss, M.; Kienzle, E.; Wiesner, H.; Baumgartner, K.; Ortmann, S.; Dierenfeld, E.S. 2004. Studies on the digestive physiology of Captive Indian rhinoceroses (Rhinoceros unicornis). Proceedings of the European Association of Zoo and Wildlife Veterinarians 2004: 1.
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Clauss, M.; Hummel, J. 2004. Not only ruminants: indications for differences in digestive physiology between grazing and browsing large hindgut fermenters. Proceedings of the 5th International Symposium on Physiology, Behaviour and Conservation of Wildlife, Berlin 1: 53.
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Clauss, M.; Frey, R.; Kiefer, B.; Lechner-Doll, M.; Loehlein, W.; Polster, C.; Roessner, G.E.; Streich, W.J. 2003. The maximum attainable body size of herbivorous mammals: morphophysiological constraints on foregut, and adaptations of hind gut fermenters. Oecologia 136: 14-27.
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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): 402-413, figs. 1-2, tables 1-2.
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Clauss, M.; Froeschle, T.; Lechner-Doll, M.; Hatt, J.M.; Ganslosser, U.; Dierenfeld, E.S. 2002. Feeding tannins to captive black rhinoceros (Diceros bicornis): Results of a pilot study. In: Schwammer, H.M.; Foose, T.J.; Fouraker, M.; Olson, D. 2002. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling. p. 310.
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Clauss, M.; Froeschle, T.; Lechner-Doll, M.; Hatt, J.M.; Ganslosser, U.; Dierenfeld, E.S. 2001. Feeding tannins to captive black rhinoceros (Diceros bicornis): Results of a pilot study. In: Schwammer, H.M.; Foose, T.J.; Fouraker, M.; Olson, D. 2001. Recent research on elephants and rhinos: Abstracts of the International Elephant and Rhino Research Symposium, June 7-11, 2001. Vienna, Zoologischer Garten. p. 72.
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