Zimmermann, D.E.; Vorster, I.; Dreyer, C.; Fowlds, W.; Penzhorn, B.L. 2022. Successful treatment of babesiosis in a south-western Black rhinoceros (Diceros bicornis bicornis). Journal of the South African Veterinary Association 93 (2) June 16 (on-line): 1-5, 2 tables, 3 figures. doi.org/10.36303/JSAVA.478
Zimmermann, D.E.; Penzhorn, B.L.; Vorster, I.; Troskie, M.; Oosthuizen, M.C. 2021. Babesia bicornis, Theileria bicornis and Theileria equi in metapopulations of two black rhinoceros (Diceros bicornis) subspecies in South Africa and their potential impact on conservation. Ticks and Tick-borne Diseases 12 (101635): 1-10. doi.org/10.1016/j.ttbdis.2020.101635
Govender, D.; Oosthuizen, M.C.; Penzhorn, B.L. 2011. Piroplasm parasites of white rhinoceroses (Ceratotherium simum) in the Kruger National Park, and their relation to anaemia. Journal of the South African Veterinary Association 82 (1): 36-40, 2 figs., 4 tabs..
Penzhorn, B.L.; Oosthuizen, M.C.; Bosman, A.M.; Kilian, J.W.; Horak, I.G. 2008. Black rhinoceros (Diceros bicornis) populations in Northwestern Namibia are apparently not infected with piroplasms. Journal of Wildlife Diseases 44 (4): 1032-1035.
Penzhorn, B.L. 2006. Babesiosis of wild carnivores and ungulates. Veterinary Parasitology 138 (1): 11-21, tables 1-4.
Nyhof, A.M.; Penzhorn, B.L.; Lynen, G.; Mollel, J.O.; Morkel, P.; Bekker, C.P.J.; Jongejan, F. 2003. Babesia bicornis sp.nov. and Theileria bicornis sp.nov.: tick-borne parasites associated with mortality in the black rhinoceros (Diceros bicornis). Journal of Clinical Microbiology 41 (5): 2249-2254.
Knapp, S.E.; Krecek, R.C.; Horak, I.G.; Penzhorn, B.L. 1997. Helminths and arthropods of black and white rhinoceroses in southern Africa. Journal of Wildlife Diseases 33 (3): 492-502, figs. 1-8, tables 1-3.
Penzhorn, B.L.; Kriek, N.P.J. 1994. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994. pp. i-iv, 1-242.
Penzhorn, B.L.; Krecek, R.C.; Horak, I.G.; Verster, A.J.M.; Walker, J.B.; Boomker, J.; Knapp, S.E.; Quandt, S.K.F. 1994. Parasites of African rhinos: a documentation.
Toit, J.G. du; Penzhorn, B.L.; Westhuizen, E. van der 1994. Bibliography of African rhinos.
Penzhorn, B.L. 1993. Proceedings of an international symposium on capture, care and management of threatened mammals. Onderstepoort, Wildlife Group of the South African Veterinary Association. pp. i-iv, 1-83.
Hall-Martin, A.; Penzhorn, B.L. 1977. Behaviour and recruitment of translocated black rhinoceros Diceros bicornis. Koedoe 20: 147-162, fig. 1, tables 1-3.






