Walzer, C.

Schwarzenberger, F.; Walzer, C.; Tomasova, K.; Goeritz, F.; Thayaparan, S.; Hermes, R. 2001. An IRF/ SOS Rhino sponsored integrated approach to enhance the reproductive performance of white rhinoceroses in the EEP.

Hermes, R.; Goeritz, F.; Blottner, S.; Walzer, C.; Goeltenboth, R.; Schwarzenberger, F.; Rudolph, M.; Hildebrandt, T.B. 2001. Evaluation of fertility in captive male white rhinoceros (Ceratotherium simum) – semen assessment and preservation. Verhandlungsbericht des Internationalen Symposiums uber die Erkrankungen der Zootiere 40: 173-176.

Silinski, S.; Walzer, C.; Schwarzenberger, F.; Stolla, R. 2001. Manual semen collection in a standing rhinoceros (Ceratotherium simum simum).

Walzer, C.; Goeritz, F.; Hermes, R.; Thayaparan, S.; Schwarzenberger, F. 2001. Anesthesia management in white rhinos for reproductive evaluation, semen collection and AI.

Schwarzenberger, F.; Walzer, C.; Weiss, R.; Pucher, H.; Leus, K.; Bircher, P.; Moran, J.F. 2000. Faecal cortisol metabolites in response to management practices and disturbance in different herbivores and carnivores (Ceratotherium simum, Diceros bicornis, Elephas maximum, Loxodonta africana, Okapia johnstoni, Rupicapra rupicapra and Lutra lutra). Proceedings of the European Association of Zoo and Wildlife Veterinarians 2000: 201-204.

Walzer, C.; Goeritz, F.; Pucher, H.; Hermes, R.; Hildebrandt, T.B.; Schwarzenberger, F. 2000. Chemical restraint and anesthesia in white rhinoceros (Ceratotherium simum) for reproductive evaluation, semen collection and artificial insemination. Proceedings of the AAZV and IAAAM Joint Conference 2000: 98-101.

Walzer, C.; Pucher, H.; Schwarzenberger, F. 2000. A restraint chute for semen collection in white rhinoceros (Ceratotherium simum simum) – preliminary results. Proceedings of the European Association of Zoo and Wildlife Veterinarians 2000: S7-S10, fig. 1.

Hermes, R.; Hildebrandt, T.B.; Schwarzenberger, F.; Walzer, C.; Goeltenboth, R.; Schneider, M.; Schnorrenberg, A.; Goeritz, F. 2000. Development of an artificial insemination technique in the African rhinoceros. Proceedings of the European Association of Zoo and Wildlife Veterinarians 2000: 139-141.

Schwarzenberger, F.; Walzer, C.; Tomasova, K.; Zima, J.; Goeritz, F.; Hermes, R.; Hildebrandt, T.B. 1999. Can the problems associated with the low reproductive rate in captive white rhinoceroses (Ceratotherium simum) be solved within the next 5 years?. Verhandlungsbericht des Internationalen Symposiums uber die Erkrankungen der Zootiere 39: 283-289.

Kellner, K.; Walzer, C.; Foerster, M. 1999. Determination of genetic variation and relationship in the African rhinoceros (Ceratotherium simum; Diceros bicornis). EEP Research Group Newsletter 6: 23-24.

Schwarzenberger, F.; Walzer, C.; Tomasova, K.; Vahala, J.; Meister, J.; Goodrowe, K.L.; Zima, J.; Straun, G.; Lynch, M. 1998. Faecal progesterone metabolite analysis for non-invasive monitoring of reproductive function in the white rhinoceros (Ceratotherium simum).

Schwarzenberger, F.; Walzer, C.; Tomasova, K.; Vahala, J.; Meister, J.; Goodrowe, K.L.; Zima, J.; Strauss, G.; Lynch, M. 1998. Faecal progesterone metabolite analysis for non-invasive monitoring of reproductive function in the white rhinoceros (Ceratotherium simum). Animal Reproduction Science 53: 173-190.

Walzer, C. 1998. Dermal anesthesia in the white rhinoceros (Ceratotherium simum simum) using a eutectic mixture of Lidocaine and Prilocaine. Journal of Zoo Animal Medicine 29: 300-302.

Schwarzenberger, F.; Walzer, C. 1995. Oestrous cycle induction in a white rhinoceros (Ceratotherium simum simum) monitored by fecal progestagen analysis. Verhandlungsbericht des Internationalen Symposiums uber die Erkrankungen der Zootiere 37: 79-83, fig. 1.

Walzer, C.; Schwarzenberger, F. 1995. Estrous cycle induction in a white rhinoceros (Ceratotherium simum simum) and concomitant EIA fecal progestagen analysis. Proceedings of the AAZV, AAWV, WDA Joint Conference 1995: 322-324.

Schwarzenberger, F.; Tomasova, K.; Walzer, C.; Moestl, E. 1993. Preliminary results of fecal progestagen evaluations in the white rhinoceros (Ceratotherium simum) indicate an estrous cycle length of about 10 weeks. Biology of Reproduction 50 Suppl 1: 171.