Fritz, J.; Hummel, J.; Streich, J.; Kienzle, E.; Clauss, M. 2013. Faecal particle size in captive rhinoceroses. Poster presentation at IZW Berlin.
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.
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.
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.; 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.
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.
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.
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.
Clauss, M.; Polster, C.; Kienzle, E.; Wiesner, H.; Baumgartner, K.; Houwald, F.von; 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.
Clauss, M.; Polster, C.; Kienzle, E.; Wiesner, H.; Baumgartner, K.; Houwald, F.von; 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.
Polster, C.; Clauss, M.; Kienzle, E.; Wiesner, H.; Baumgartner, K.; Houwald, F.von; Ortmann, S.; Dierenfeld, E. 2004. Studies on the digestive physiology of Captive Indian rhinoceroses (Rhinoceros unicornis). Proceedings of the European Association of Zoo and Wildlife Veterinarians 2004: 1.
Kiefer, B.; Ganslosser, U.; Kretzschmar, P.; Kienzle, E. 2002. Food selection and food quality in territorial males of a free-ranging population of white rhinoceros (Ceratotherium simum simum) in South Africa.
Kiefer, B.; Wichert, B.; Ganslosser, U.; Kretzschmar, P.; Kienzle, E. 2002. Digestibility trials in the zoo compared to field studies of white rhinoceros.
Kiefer, B.; Kretzschmar, P.; Ganslosser, U.; Lechner-Doll, M.; Kienzle, E. 2001. Digestibility trials in the zoo applied to field studies of white rhinoceros.






