Du Toit, R.

Dierenfeld, E.S.; Du Toit, R.; Braselton, W.E. 1995. Nutrient composition of selected browses consumed by black rhinoceros (Diceros bicornis) in the Zambezi valley, Zimbabwe. Journal of Zoo and Wildlife Medicine 26 (2): 220-230, tables 1-3.

Du Toit, R. 1994. Management of black rhino in Zimbabwean conservancies.

Swart, M.K.J.; Ferguson, J.W.H.; Du Toit, R.; Flamand, J.R.B. 1994. Substantial genetic variation in southern African black rhinoceros (Diceros bicornis). Journal of Heredity 85: 261-266, figs. 1-3, tables 1-3.

Milliken, T.; Du Toit, R. 1994. Rhino dehorning in Zimbabwe: an update. Traffic Bulletin 14 (2): 45-46.

Du Toit, R. 1993. Basic biology and ecology of the black rhinoceros (Diceros bicornis).

Du Toit, R. 1993. Phytochemistry and plant/animal interactions relevant to free-ranging black rhinoceros.

Dierenfeld, E.S.; Waweru, F.; Du Toit, R.; Brett, R. 1990. Alpha -Tocopherol levels in plants consumed by black rhinoceros (Diceros bicornis): native browses compared with common zoo forages. Proceedings of the American Association of Zoo Veterinarians 1990: 219-221, 2 tables.

Kock, M.D.; Du Toit, R.; Kock, N.D.; Morton, D.; Foggin, C.; Paul, B. 1990. Effects of capture and translocation on biological parameters in free-ranging black rhinoceroses (Diceros bicornis) in Zimbabwe. Journal of Zoo Animal Medicine 21 (4): 414-424, fig. 1, tabs. 1-6.

Kock, M.D.; Grange, M. la; Du Toit, R. 1990. Chemical immobilization of free-ranging black rhinoceros (Diceros bicornis) using combinations of etoprhine (M99), fentanyl, and xylazine. Journal of Zoo Animal Medicine 21 (2): 155-165, figs. 1-2, tables 1-4.

Kock, M.D.; Du Toit, R.; Morton, D.; Kock, N.D.; Paul, B. 1990. Baseline biological data collected from chemically immobilized free-ranging black rhinoceros (Diceros bicornis) in Zimbabwe. Journal of Zoo Animal Medicine 21 (3): 283-291, tables 1-7.

Cumming, D.; Du Toit, R.; Stuart, S.N. 1990. African elephants and rhinos: status survey and conservation action plan. Gland, IUCN. pp. i-iv, 1-72.

Du Toit, R. 1989. Portraits of Zimbabwe – Black Rhinoceros (Diceros bicornis). Zimbabwe Science News 23 (7/9): inside back cover, 1 plate.

Cumming, D.; Du Toit, R. 1989. The African elephant and rhino group Nyeri meeting. Pachyderm 11: 4-6, fig. 1, tables 1-2.

Du Toit, R. 1989. Suggested procedure for priority ranking of black rhino populations. Pachyderm 11: 7-10, fig. 1, tables 1-4.

Du Toit, R. 1989. Distribution and monitoring of black rhinoceros Diceros bicornis populations in Zimbabwe (abstract). Koedoe 32 (2): 83, table 1.

Ghebremeskel, K.; Williams, G.; Lewis, J.C.M.; Du Toit, R. 1988. Serum alpha-tocopherol, all-trans retinol, total lipids and cholesterol in the black rhinoceros (Diceros bicornis). Comparative Biochemistry and Physiology 91A: 343-345, table 1.

Paul, B.; Du Toit, R.; Lloyd, S.; Mandisodza, A. 1988. Haematological studies on wild black rhinoceros (Diceros bicornis) – evidence of an unstable haemoglobin. Journal of Zoology, London 214: 399-405, fig. 1, tables 1-2.

Dierenfeld, E.S.; Du Toit, R.; Miller, R.E. 1988. Vitamin E in captive and wild black rhinoceros (Diceros bicornis). Journal of Wildlife Diseases 24 (3): 547-550.

Du Toit, R. 1987. The existing basis for subspecies classification of black and white rhinos. Pachyderm 9: 3-5.

Du Toit, R. 1987. Haemotological studies of black rhinos in Zimbabwe. Pachyderm 9: 28-29.

Du Toit, R. 1987. Conservation biology of black rhino. Zimbabwe Science News 21 (5/6): 63-67.

Du Toit, R. 1986. Re-appraisal of black rhinoceros subspecies. Pachyderm 6: 5-8.