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:
Rautenbach E, van Ryssen JBJ, van Niekerk WA: 2008. Changes in nutrient composition of kikuyu foggage as winter progressed. South African Journal of Animal Science, 38 (4), pp 342-349, Full Text
Papers in refereed, published conference proceedings:
van Ryssen JBJ: 2008. Trace elements in poultry litter: prevalence and risks. In Trace elements in animal production systems, Wageningen Academic Publishers, pp 102-113.
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