Faculty of Natural and Agricultural Sciences
School of Agricultural and Food Sciences
Department of Animal and Wildlife Sciences
van Ryssen, JBJ
BSc(Agric)(Pret) MSc(Agric) PhD(Natal) - Professor Emeritus
NRF Rating: C2
Contact Details
Research Interests
Research Output
Contact Details:
Telephone number: 012 420 3265
Fax number: 012 420 3290
E-mail address: jvryssen@postino.up.ac.za
Research Interests:
Nutrition
Production systems and management
Research Output:
Research articles in refereed specialist journals:
Webb EC, van Ryssen JBJ, Erasmus MEA, McCrindle CME: 2002. Copper, manganese, cobalt and selenium concentrations in liver samples from African buffalo (Syncerus caffer) in the Kruger National Park. Journal of Environmental Monitoring, Dec 2001 / Dec 2001, pp 583-585.
Stevens DM, van Ryssen JBJ, Marais JP: 2002. The use of n-alkane markers to estimate the intake and apparent digestibility of ryegrass and Kikuyu by horses. South African Journal of Animal Science, 32 (1), pp 50-56.
Papers in refereed, published conference proceedings:
van Ryssen JBJ: 2002. Organic meat and milk production in South Africa. In Proceedings of a Joint International Conference of the Hellenic Society of Animal Production and the British Society of Animal Science, Wageningen Academic Publishers., pp 237-240.
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