Browsing 1996 Onderstepoort Journal of Veterinary Research, Volume 63, 1996 by Issue Date

Browsing 1996 Onderstepoort Journal of Veterinary Research, Volume 63, 1996 by Issue Date

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  • Changes in the incidences of the different serovars of Haemophilus paragallinarum in South Africa: a possible explanation for vaccination failures 
    Verschoor, J.A. (Jan Adrianus), 1953-; Bragg, R.R. (Robert Richard); Coetzee, L.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Infectious coryza remains an important disease in the poultry industry despite the long-term and widespread use of vaccines against its causative agent, Haemophilus paragallinarum, in South Africa. In order to detect ...
  • Book review 
    Anonymous; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
  • 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 ...
  • Theiler Memorial Trust Award 
    Anonymous; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
  • Effect of cyclophosphamide on the acquisition of resistance to infestation by Rhipicephalus appendiculatus in rabbits 
    Binta, M.G.; Mushi, E.Z.; Rurangirwa, F.R.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Parenteral administration of cyclophosphamide in rabbits made resistant to infestation by the tick Rhipicephalus appendiculatus, resulted in abrogation of the resistance phenomenon. As a result, a high percentage (83%) of ...
  • 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 ...
  • Heterophile antibodies to chicken erythrocytes in sheep infected with Trypanosoma congolense 
    Joshua, R.A.; Neils, J.S.; Oladosu, L.A.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    High hemagglutinin titres against chicken erythrocytes were detected in the sera of Trypanosoma congolense-infected sheep. Adsorption of sheep sera with solubilized T. congolense resulted in marked reduction of hemagglutinin ...
  • In vitro cultivation of Babesia occultans 
    Van Niekerk, C.J.; Zweygarth, Erich; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Babesia occultans, the causative agent of a benign form of cattle babesiosis in South Africa, was continuously cultivated in microaerophilous stationary-phase culture. A modified medium, 199, supplemented with either ...
  • Radiolabelled adult Haemonchus contortus obtained from eggs voided in the faeces of a sheep injected with ⁵⁹Fe 
    Van Wyk, Jan Aucamp; Titoy, G.A.P.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    The infective larvae of Haemonchus contortus (L3) obtained from an artificially infected sheep injected with 125 µCi of ⁵⁹Fe, incorporated the isotope and retained it in sufficient quantities to be detectable by autoradiography ...