Blottner, S.

Behr, B.; Rath, D.; Hildebrandt, T.B.; Goeritz, F.; Blottner, S.; Portas, T.J.; Bryant, B.R.; Sieg, B.; Knieriem, A.; Graaf, S.P.de; Maxwell, W.M.C., Hermes, R.; Hermes, R. 2009. Germany/Australia index of sperm sex sortability in elephants and rhinoceros. Reproduction in Domestic Animals 44: 273-277.

Reid, C.E.; Hermes, R.; Blottner, S.; Goeritz, F.; Wibbelt, G.; Walzer, C.; Bryant, B.R.; Portas, T.J.; Streich, W.J.; Hildebrandt, T.B. 2009. Split-sample comparison of directional and liquid nitrogen vapour freezing method on post-thaw semen quality in white rhinoceroses (Ceratotherium simum simum and Ceratotherium simum cottoni). Theriogenology 71 (2): 275-291.

Hermes, R.; Goeritz, F.; Walzer, C.; Blottner, S.; Silinski, S.; Schwarzenberger, F.; Joechle, W.; Cordes, M.; Hildebrandt, T.B. 2007. Improvement of male fertility by long-term beta-carotene supplementation in white rhinoceroses (Ceratotherium simum). Proceedings of the Conference of the Nutrition Advisory Group (NAG) of the American Zoo and Aquarium Association (AZA) no.7: 37.

Hermes, R.; Hildebrandt, T.B.; Portas, T.J.; Goeritz, F.; Bryant, B.R.; Kretzschmar, P.; Walzer, C.; Schaffer, N.E.; Ladds, P.; Blottner, S. 2006. Testis and epididymis ultrasonography and fine-needle biopsy in the rhinoceros for tumor and fertility diagnosis. Proceedings of the European Association of Zoo- and Wildlife Veterinarians 2006: 1-2.

Reid, P.C.; Hermes, R.; Hildebrandt, T.B.; Goeritz, F.; Walzer, C.; Portas, T.J.; Blottner, S. 2006. Comparison of conventional equiaxed and directional freezing in rhinoceros (Ceratotherium simum, Diceros bicornis). Proceedings of the American Association of Zoo Veterinarians 2006: 113.

Hermes, R.; Hildebrandt, T.B.; Blottner, S.; Walzer, C.; Silinski, S.; Patton, M.L.; Wibbelt, G.; Schwarzenberger, F.; Goeritz, F. 2005. Reproductive soundness of captive southern and northern white rhinoceroses (Ceratotherium simum simum, C.s.cottoni): evaluation of male genital tract morphology and semen quality before and after cryopreservation. Theriogenology 63: 219-238, figs. 1-2, tables 1-7.

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.

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).

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

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.

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

Goeltenboth, R.; Goeritz, F.; Blottner, S.; Hildebrandt, T.B.; Ochs, A.; Fassbender, M.; Hermes, R. 2000. Management tools for the improvement of reproduction in rhinoceroses at Berlin Zoo. Proceedings of the European Association of Zoo and Wildlife Veterinarians 2000: 133-138, tables 1-2.