Browsing 1996 Onderstepoort Journal of Veterinary Research, Volume 63, 1996 by UP Author "Gummow, Bruce"

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Browsing 1996 Onderstepoort Journal of Veterinary Research, Volume 63, 1996 by UP Author "Gummow, Bruce"

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  • Experimentally induced chronic copper toxicity in cattle 
    Gummow, Bruce; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Eight Bonsmara bulls and eight Bonsmara heifers, having masses of between 210 and 266 kg when selected, were randomly allocated to four groups, each comprising two bulls and two heifers. Group 1 received 0,6 mg of copper ...
  • Pathogenicity differences between South African isolates of Ornithobacterium rhinotracheale 
    Gummow, Bruce; Travers, A.F.; Coetzee, L.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Three selected South African Ornithobacterium rhinotracheale field isolates were identified and inoculated via the caudal abdominal airsac into 28-day-old broilers, which were monitored under controlled laboratory ...