Walzer, C.

Walzer, C.; Silinski, S.; Hermes, R.; Goeritz, F.; Hildebrandt, T.B.; Schwarzenberger, F. 2004. Remote delivery dart for hormonal implants in rhinoceros. Proceedings of the American Association of Zoo Veterinarians (AAZV) 2004: 638-639.

Mraz, B.; Walzer, C.; Reinhardt, P.; Matthaei, J.; Jago, M.; Schwarzenberger, F. 2004. Faecal steroid analysis in free-ranging white rhinoceroses (Ceratotherium simum) on a game ranch in Namibia. Proceedings of the European Association of Zoo and Wildlife Veterinarians 2004: 1-2.

Schwarzenberger, F.; Walzer, C.; Silinski, S.; Tomasova, K.; Goeritz, F.; Hildebrandt, T.B.; Hermes, R. 2003. Problems associated with the low reproductive rate in captive white rhinoceroses (Ceratotherium simum) – an update. Verhandlungsbericht des Internationalen Symposiums uber die Erkrankungen der Zootiere 41: 301-303.

Hermes, R.; Walzer, C.; Schwarzenberger, F.; Goeritz, F.; Patton, M.L.; Tomasova, K.; Hildebrandt, T.B. 2003. GNRH agonist implants for ovarian down regulation and ovulation induction in rhinoceroses. Verhandlungsbericht des Internationalen Symposiums uber die Erkrankungen der Zootiere 41: 305-308.

Hermes, R.; Goeritz, F.; Walzer, C.; Blottner, S.; Silinski, 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.

Hermes, R.; Goeritz, F.; Walzer, C.; Blottner, S.; Silinski, 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.

Silinski, S.; Walzer, C.; Schwarzenberger, F.; Stolla, R. 2003. Influence of a2-agonists on manual semen collection in standing white rhinoceros (Ceratotherium s. simum). Veterinary Medicine Austria 90 (Suppl. 1): 25.

Walzer, C.; Silinski, S.; Goeritz, F.; Hermes, R.; Hildebrandt, T.B.; Schwarzenberger, F. 2003. Experience – a measurable anaesthesia benefit. Verhandlungsbericht des Internationalen Symposiums uber die Erkrankungen der Zootiere 41: 245-247, figs. 1-3.

Hermes, R.; Goeritz, F.; Blottner, S.; Walzer, C.; Schwarzenberger, F.; Hildebrandt, T.B. 2002. Semen collection, sperm assessment and cryo-preservation in African rhinoceroses.

Silinski, S.; Walzer, C.; Schwarzenberger, F.; Slotta-Bachmayr, L.; Stolla, R. 2002. Pharmacological methods of enhancing penile erection for ex-copula semen collection in standing white rhinoceros (Ceratotherium simum simum). Proceedings of the European Association of Zoo and Wildlife Veterinarians 2002: 391-394, figs. 1-3.

Schwarzenberger, F.; Walzer, C.; Tomasova, K.; Goeritz, F.; Thayaparan, S.; Hermes, R. 2002. An IRF/ SOS Rhino sponsored integrated approach to enhance the reproductive performance of white rhinoceroses in the EEP.

Silinski, S.; Walzer, C.; Schwarzenberger, F.; Hake, S.; Stolla, R. 2002. Morphologic and morphometric analysis of manually collected rhinoceros (Ceratotherium simum simum) spermatozoa. Proceedings of the European Association of Zoo and Wildlife Veterinarians 2002: 489-492, tables 1-3.

Walzer, C.; Goeritz, F.; Hermes, R.; Thayaparan, S.; Schwarzenberger, F. 2002. Anesthesia management in white rhinos for reproductive evaluation, semen collection and AI – a team approach.

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.

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).

Mraz, B.; Modler, F.; Walzer, C.; Jago, M.; Reinhart, P.R.; Schwarzenberger, F. 2002. Faecal steroid analysis in free-ranging female white rhinoceroses (Ceratotherium simum simum) on Otjiwa Game Ranch in Namibia.

Thayaparan, S.; Hermes, R.; Schwarzenberger, F.; Walzer, C.; Silinski, S.; Schnorrenberg, A.; Goeritz, F. 2002. A newly developed artificial insemination technique in African rhinoceroses. Proceedings of the American Association of Zoo Veterinarians 2002: 213-215.

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).

Hermes, R.; Schwarzenberger, F.; Walzer, C.; Goeritz, F.; Tomasova, K.; Patton, M.L.; Hildebrandt, T.B. 2002. Evaluation of fertility of the captive female northern white rhinoceros population (Ceratotherium simum cottoni). Advances in Ethology 37: 138.

Hermes, R.; Hildebrandt, T.B.; Walzer, C.; Goeritz, F.; Schwarzenberger, F. 2001. Reproductive assessment in the captive white rhinoceros – current standing.

Hermes, R.; Hildebrandt, T.B.; Schwarzenberger, F.; Walzer, C.; Fritsch, G.; Goeritz, F. 2001. Reproductive disorders in white rhinoceros and the value of ultrasonographic assessment.

Walzer, C.; Goeritz, F.; Hermes, R.; Hildebrandt, T.B.; Schwarzenberger, F. 2001. Die Narkose des Breitmaulnashorns – eine Team Angelegenheit. Arbeitstagung der Zootierarzte im Deutschsprachigen Raum 20: 26-33.

Hermes, R.; Goeritz, F.; Blottner, S.; Walzer, C.; Schwarzenberger, F.; Hildebrandt, T.B. 2001. Semen collection, sperm assessment and cryo-preservation in African rhinoceroses.

Schwarzenberger, F.; Walzer, C.; Silinski, S.; Tomasova, K.; Goeritz, F.; Hildebrandt, T.B.; Hermes, R. 2001. An integrated approach for the enhancement of reproductive performance of white rhinoceroses (Ceratotherium simum) in the EEP. Newsletter European Society of Domestic Animal Reproduction (ESDAR) 6: 77-78.

Mraz, B.; Modler, F.; Walzer, C.; Jago, M.; Reinhart, P.R.; Schwarzenberger, F. 2001. Faecal steroid analysis in free-ranging female white rhinoceroses (Ceratotherium simum simum) on Otjiwa Game Ranch in Namibia.