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1996 Onderstepoort Journal of Veterinary Research, Volume 63, 1996: Recent submissions

  • Biochemical and haematological values in abattoir pigs with and without subclinical lesions 
    Makinde, M.O.; Majok, A.A.; Hill, F.W.G.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    The biochemical and haematological profiles of 379 pigs with or without various gross pathological lesions in an abattoir in Zimbabwe were studied to see whether there were any differences between the levels of haematological ...
  • Brucella melitensis biotype 1 outbreak in goats in northern KwaZulu-Natal 
    Reichel, R.; Nel, J.R.; Emslie, R.; Bishop, G.C.; Verwoerd, Daniel Wynand (Pretoria : Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Brucella melitensis biotype 1 was confirmed in indigenous, outbred goats in three northern districts of the KwaZulu-Natal province following the diagnosis of human Malta fever in the same area. Six foci of infection were ...
  • 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 ...
  • Cryopreservation of sheathed third-stage larvae of Nematodirus spathiger 
    Titoy, G.A.P.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    A technique for the cryopreservation of sheathed third-stage larvae of Nematodirus spathiger is described. It consists of incubating larvae in 5% (v/v) ethylene glycol for 20 min at room temperature, followed by 1 min ...
  • Subcellular localization of the nonstructural protein NS3 of African horsesickness virus 
    Huismans, H. (Henk), 1942-; Stoltz, M.A.; Van der Merwe, Christiaan F.; Coetzee, J.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    The subcellular localization of the minor nonstructural protein NS3 of African horsesickness virus (AHSV) has been investigated by means of immunogold electron-microscopical analysis. NS3 was observed in perturbed regions ...
  • Improving the specificity of indirect immunofluorescence for the serological diagnosis of bovine anaplasmosis 
    Lawrence, J.A.; Whiteland, A.P.; Kafuwa, P.T.; Njuguna, L.M.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Fluorescing inclusion appendages were detected consistently in preparations of Anaplasma centrale and Anaplasma marginale when they were used as antigen in indirect immunofluorescence serological tests for the diagnosis ...
  • Transmission of the South African asinine strain of equine arteritis virus (EAV) among horses and between donkeys and horses 
    Paweska, Janusz Tadeusz; Aitchison, Henry; Chirnside, E.D.; Barnard, B.J.H.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Lateral and sexual transmission of EAV among horses and lateral transmission between donkeys and horses were attempted by experimental infection with the South African asinine strain. Clinical, immunological and virological ...
  • Brucellosis surveillance and control in Zimbabwe: bacteriological and serological investigation in dairy herds 
    Mohan, K.; Makaya, P.V.; Muvavarirwa, P.; Matope, Gift; Mahembe, E.; Pawandiwa, A.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Brucellosis in dairy cattle is endemic in Zimbabwe. The prevalence continues to be monitored intensively. Only milk and serum samples are routinely screened. Attempts to culture Brucella spp. from clinical specimens ...
  • Field observations on the duration of immunity in cattle after vaccination against Anaplasma and Babesia species 
    Tjornehoj, K.; Lawrence, J.A.; Whiteland, A.P.; Kafuwa, P.T.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    In an outbreak of Babesia bovis in a large herd of Friesian x Malawi Zebu cattle, which occurred after an interruption of intensive dipping, clinical or fatal babesiosis occurred in 54/299 (18,1 %) animals which had never ...