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:
Mynhardt H, van Ryssen JBJ, Coertze RJ: 2006. The effect of heat processing of soybean seed on the metabolism of its selenium on lambs. Animal Feed Science and Technology, 128, pp 122-134.
Jansen van Rensburg C, Van Rensburg-Medlen CEJ, van Ryssen JBJ, Casey NH, Rottinghaus G: 2006. In vitro and in vivo assessment of humic acid as an aflatoxin binder in broiler chickens. Poultry Science, 85 (9) / Sep, pp 1576-1583.
Cronje MC, van Ryssen JBJ, Coertze RJ: 2006. Potential benefit of trace element supplementation of sheep on a low level of nutrition. South African Journal of Animal Science, 36 (1), pp 20-26.
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