Browsing 2001 Onderstepoort Journal of Veterinary Research, Volume 68, 2001 by UP Author "Van Wyk, Jan Aucamp"

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Browsing 2001 Onderstepoort Journal of Veterinary Research, Volume 68, 2001 by UP Author "Van Wyk, Jan Aucamp"

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  • Clinical evaluation of anaemia in sheep: early trials 
    Van Wyk, Jan Aucamp; Malan, F.S.; Wessels, C.D.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Trials were conducted on a farm in Mpumalanga Province in South Africa to test the possibility of grading the colour of the ocular mucous membranes of sheep as an indication of the extent to which the animals are affected ...
  • Refugia - overlooked as perhaps the most potent factor concerning the development of anthelmintic resistance 
    Van Wyk, Jan Aucamp; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Anthelmintic resistance involving particularly the gastrointestinal nematodes of small ruminants is escalating globally, to the extent that in certain countries, such as South Africa, it has already reached alarming ...