Browsing 1985 Onderstepoort Journal of Veterinary Research, Volume 52, 1985 by Type "Article"

Browsing 1985 Onderstepoort Journal of Veterinary Research, Volume 52, 1985 by Type "Article"

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  • Te Brugge, Lesley A.; Louw, H.N.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1985)
    The addition of 2 % pooled rabbit serum to semi-solid commercial EMJH medium with EMJH enrichment and 0,5 mg of 5-fluorouracil per ml was found to enhance the growth rate and success of isolation of Leptospira interrogans ...
  • De Villiers, I.L.; Liversidge, R.; Reinecke, R.K.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1985)
    From July 1979 - December 1980, 48 springbok were culled for a parasite survey at Benfontein. Lice were the dominant parasites and reached a peak in September. Damalinia antidorcus, Linognathus antidorcitis, Linognathus ...
  • Verwoerd, Daniel Wynand; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    A brief description is given of the discovery of retroviral and cellular oncogenes and of their putative role in oncogenesis. Attempts to apply the biotechnological techniques that were so successful in the study of other ...
  • Couez, D.; Burny, A.; Cleuter, Y.; Bruck, C.; Deschamps, J.; Gregoire, D.; Ghysdael, J.; Kettmann, R.; Mammerickx, M.; Marbaix, G.; Portetelle, D.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    Infection of bovines with bovine leukaemia virus (BLV) manifests itself in either of two ways: 30-70% of carriers develop persistent lymphocytosis (PL), with the viral genome integrated at a large number of different sites ...
  • Thomson, G.R. (Gavin); Esterhuysen, J.J.; Flamand, J.R.B.; Bengis, Roy G.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1985)
    A total of 594 sera collected from buffalo (Syncerus caffer) in the Hluhluwe/Umfolozi Game Reserve complex, Ndumu Game Reserve and the eastern shores of Lake St Lucia were examined for antibody to SAT 1, 2 and 3 types of ...
  • Shkap, Varda; De Waal, D.T.; Potgieter, Fred T.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    Rabbits were infected with a bovine strain of Besnoitia besnoiti parasites derived from VERO cell cultures. Oxytetracycline*, given at 30 mg/kg i.m. simultaneously with infection, prevented the development of orchitis. The ...
  • MacIvor, K.M.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1985)
    Three domestic and 12 wild species of ungulate have been recorded as hosts of Rhipicephalus glabroscutatum. The major site of attachment for larvae, nymphs and adults is around the hooves and on the lower legs. This tick ...
  • Nevill, E.M.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    The possible adverse effect of arsenical tick control dips on Parafilaria bovicola infections was investigated in 48 artificially infected cattle. A treatment group of 24 cattle was dipped in a plunge dip containing 1600 ...
  • Giesecke, W.H.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    The appropriate literature has been reviewed for the purpose of defining the phenomenon of stress in lactating dairy cattle, establishing a baseline concept of lactation stress and emphasizing the most significant aspects ...
  • Oberem, P.T.; Van Amstel, S.R.; Matthee, O.; Bezuidenhout, J. Dürr; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    Natural and experimental cases of sweating sickness were treated using a hyperimmune serum as specific treatment and hyperimmune serum combined with symptomatic and supportive treatment based on the clinico-pathological ...
  • Verschoor, J.A. (Jan Adrianus), 1953-; Patterton, H.G.; Potgieter, D.J.J.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    Pachystigma pygmaeum is one of several species of rubiaceous plants which cause delayed heart failure among ruminants after their ingestion at relatively high doses. Using guinea-pigs for toxicity determinations, we were ...
  • Van Wyk, J.A. (Jan Aucamp); Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    The research activities of the Veterinary Research Institute, Onderstepoort, from its inception in 1908 until recent times are reviewed in this first article of a series on nematode epidemiology of sheep and cattle. While ...
  • Thomson, G.R. (Gavin); Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    The known distribution of African swine fever (ASF) virus in Africa is reviewed in relation to the distributions of its free-living hosts as are the infection rates of these species in different localities in southern ...
  • Murphy, F.A.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    From the time of the first modern studies of infectious diseases, by Koch, Pasteur, Theiler and their colleagues, it has been clear that laboratory investigation must be complemented by epidemiologic investigation. The ...
  • Nevill, E.M.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    A total of 20 375 flies collected off cattle on 12 farms over 36 months were identified and examined for 3rd stage P. bovicola. The 3 vector species accounted for 64,1 % of the flies collected and were the only fly species ...
  • Bezuidenhout, J. Dürr; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    The history of the main bovine tick-borne diseases occurring in South Africa and the role Onderstepoort played in their identification and control is briefly reviewed. The present attitudes regarding the control of tickborne ...
  • Marasas, Walter F.O. (Walter Friedrich Otto); Collett, M.G.; Van der Westhuizen, G.C.A.; Schneider, D.J.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    Field outbreaks of a syndrome of unknown aetiology associated with the grazing of green oats (Avena sativa) in the south-western Cape Province were characterized by diarrhoea, photosensitivity and death in goats and by ...
  • Prozesky, Leon; Du Plessis, J.L.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1985)
    Pathological lesions in untreated Angora goats infected with the Ball₃ strain of Cowdria ruminantium corresponded with those previously reported. A severe nephrosis was the most prominent pathological lesion in the animals ...
  • Coetzer, Jacobus A.W.; Kellerman, T. Stephanus; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    Various hepatogenous photosensitivity diseases of ruminants in South Africa, caused by plants, fungi and an alga, are described. Information is given on botanical, mycological, toxicological, clinical and pathological ...
  • Paterson, C.L.; Barnard, B.J.H.; Bezuidenhout, J. Dürr; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    Cowdria ruminantium was cultivated in a calf endothelial cell line after the cells had been irradiated at 45 & 90 GY. Another experiment in which the inoculum and non-irradiated cells were centrifuged together also yielded ...