Browsing 2001 Onderstepoort Journal of Veterinary Research, Volume 68, 2001 by Subject "Epidemiology"

Browsing 2001 Onderstepoort Journal of Veterinary Research, Volume 68, 2001 by Subject "Epidemiology"

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  • Epidemiological observations of Zimbabwean theileriosis: disease incidence and pathogenicity in susceptible cattle during Rhipicephalus appendiculatus nymphal and adult seasonal activity 
    Latif, Abdalla A.; Hove, T.; Kanhai, G.K.; Masaka, S.; Pegram, R.G.; 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)
    Fifty-nine Hereford cattle susceptible to tick-borne diseases were used as tracer animals to assess the tick challenge and pathogenicity of Theileria parva under field conditions in Zimbabwe. They were moved periodically ...
  • The epidemiology of tuberculosis in free-ranging African buffalo (Syncerus caffer) in the Kruger National Park, South Africa 
    Michel, Anita Luise; De Vos, Valerius; Bengis, Roy G.; Kriek, N.P.J.; Keet, D.F.; Raath, J.P.; Huchzermeyer, Hildegard F.A.K.; 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)
    The presence of bovine tuberculosis ( Mycobacterium bovis) in the Kruger National Park (KNP) was determined for the first time in 1990. It was diagnosed in an African buffalo ( Syncerus caffer) bull, which was found recumbent ...
  • Laboratory and field investigations into the Theileria parva carrier-state in cattle in Zimbabwe 
    Latif, Abdalla A.; Hove, T.; Kanhai, G.K.; Masaka, S.; 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)
    The Theileria parva carrier-state in cattle on commercial farms on Zimbabwe was investigated using parasitological and serological methods. The proportion of cattle showing Theileria piroplasms on two farms, ...
  • A review of the infectious diseases of African wild ruminants 
    Worthington, R.W.; Bigalke, R.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)
    The important viral, protozoal and bacterial diseases of wild African ruminants are reviewed. Special attention is paid to the epidemiological factors that determine the role played by these animals in the transmission ...