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:
van der Merwe BJ, Dugmore TJ, van Ryssen JBJ, Thurtell LM, Morning SJ: 2005. Effect of method of sample preparation on ruminal in situ disappearance of dry matter and nitrogen in annual ryegrass in dairy cows. South African Journal of Animal Science, 35 (2), pp 126-134.
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