Browsing 1978 Onderstepoort Journal of Veterinary Research, Volume 45, 1978 by Subject "Cattle -- Diseases"

Browsing 1978 Onderstepoort Journal of Veterinary Research, Volume 45, 1978 by Subject "Cattle -- Diseases"

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  • Bovine parafilariosis in southern Africa : a preliminary report 
    Carmichael, I.H.; Koster, Susan; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Pretoria : The Government Printer, 1978)
    A total of 32 042 cattle, slaughtered at the Pretoria, Johannesburg and Durban abattoirs, was examined for parafilariosis and as many animals as possible were traced to the farms from which they originated. The disease is ...
  • Immunogenicity and pathogenicity of three South African strains of Babesia bovis in Bos indicus cattle 
    De Vos, A.J.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Pretoria : The Government Printer, 1978)
    A strain of Babesia bovis, which has been routinely used in the locally produced babesiosis vaccine for two decades and maintained by needle passage, was of low virulence and therefore safe, but it induced poor protection ...