W. Streich

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).

R. Hermes, C. Walzer, G. Wibbelt, 2009, Theriogenology.

Assisted reproduction in female rhinoceros and elephants--current status and future perspective.

R. Hermes, F. Göritz, T. Hildebrandt, 2007, Reproduction in domestic animals = Zuchthygiene.

Prolonged storage of epididymal spermatozoa does not affect their capacity to fertilise in vitro-matured domestic cat (Felis catus) oocytes when using ICSI.

J. Ringleb, R. Waurich, K. Jewgenow, 2011, Reproduction, fertility, and development.

Laminitis in Przewalski horses kept in a semireserve.

K. Scheibe, K. Budras, B. Patan, 2001, Journal of veterinary science.