![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Hermes, R.; Goeritz, F.; Walzer, C.; Blottner, S.; Siliniski, S.; Schwarzenberger, F.; Joechle, W.; Cordes, M.; Hildebrandt, T.B., 2003. Improvement of male fertility by long-term beta-carotene supplementation in white rhinoceroses (Ceratotherium simum). In Ward A, Brooks M, Maslanka M, Eds. Proceedings of the Fifth Conference on Zoo and Wildlife Nutrition, AZA Nutrition Advisory Group, Minneapolis, MN
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![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Hermes, R.; Goeritz, F.; Walzer, C.; Blottner, S.; Siliniski, S.; Schwarzenberger, F.; Joechle, W.; Cordes, M.; Hildebrandt, T.B., 2003. Improvement of male fertility by long term beta-carotene supplementation in White rhinoceroses (Ceratotherium simum). Proceedings of the American Association of Zoo Veterinarians 2003: 23
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![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Hermes, R.; Goeritz, F.; Blottner, S.; Walzer, C.; Schwarzenberger, F.; Hildebrandt, T.B., 2002. Semen collection, sperm assessment and cryo-preservation in African rhinoceroses: p. 182
| In: Schwammer, H.M. et al. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling: pp. 1-352 |
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![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Schwarzenberger, F.; Walzer, C.; Tomasova, K.; Goeritz, F.; Hildebrandt, T.; Hermes, R., 2002. An IRF/ SOS Rhino sponsored integrated approach to enhance the reproductive performance of white rhinoceroses in the EEP: pp. 219-221
| In: Schwammer, H.M. et al. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling: pp. 1-352 |
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![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Walzer, C.; Goeritz, F.; Hermes, R.; Hildebrandt, T.; Schwarzenberger, F., 2002. Anesthesia management in white rhinos for reproductive evaluation, semen collection and AI - a team approach: pp. 237-241, maps 1-2
| In: Schwammer, H.M. et al. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling: pp. 1-352 |
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![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Hermes, R.; Hildebrandt, T.B.; Schwarzenberger, F.; Walzer, C.; Blottner, S.; Goeltenboth, R.; Jakob, W.; Goeritz, F., 2002. Reproductive assessment and development of artificial insemination in the white rhinoceros (Ceratotherium simum simum): pp. 28-29
| In: Aubery, L. et al. Proceedings of the [second] Rhino Keepers' Workshop 2001, Zoological Society of San Diego May 7-10, 2001. San Diego, Zoological Society |
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![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Hermes, R.; Hildebrandt, T.B.; Schwarzenberger, F.; Walzer, C.; Fritsch, G.; Goeritz, F., 2002. Reproductive disorders in white rhinoceroses and the value of ultrasonographic assessment: p. 314
| In: Schwammer, H.M. et al. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling: pp. 1-352 |
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![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Mraz, B.; Modler, F.; Walzer, C.; Jago, M.; Reinhardt, P.; Schwarzenberger, F., 2002. Faecal steroid analysis in free-ranging female white rhinoceroses (Ceratotherium simum simum) on Otjiwa Game Ranch in Namibia: p. 315
| In: Schwammer, H.M. et al. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling: pp. 1-352 |
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![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Silinski, S.; Walzer, C.; Schwarzenberger, F.; Stolla, R., 2002. Influence of alpha-2-agonists on manual semen collection in a standing white rhinoceros (Ceratotherium simum simum): pp. 323-326, figs. 1-3
| In: Schwammer, H.M. et al. A research update on elephants and rhinos: proceedings of the International Elephant and Rhino Research Symposium, Vienna, June 7-11, 2001. Muenster, Schuling: pp. 1-352 |
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