Browsing 1980 Onderstepoort Journal of Veterinary Research, Volume 47, 1980 by Title

Browsing 1980 Onderstepoort Journal of Veterinary Research, Volume 47, 1980 by Title

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  • A technique for the recovery of nematodes from ruminants by migration from gastro-intestinal ingesta gelled in agar : large scale application 
    Groeneveld, Hendrik T.; Van Wyk, Jan Aucamp; Gerber, H.M.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by the Government Printer, Pretoria., 1980)
    A gelled-agar technique for worm recovery was adapted to facilitate the recovery of larval and adult nematodes from the total ingesta of large numbers of sheep. The technique was also used to recover nematodes from 4 calves. ...
  • The temperature preferences of the motile stages of Stomoxys calcitrans Linnaeus (Diptera : muscidae) 
    Sutherland, B.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by the Government Printer, Pretoria., 1980)
    When adult Stomoxys calcitrans were exposed to a temperature gradient, 66% of them selected temperatures between 20,1 and 32,5°C. The larval stages preferred temperatures between 19,5 and 33,2°C. Although the differences ...
  • Tissue culture studies on a suspected lysosomal storage disease in Abyssinian cats 
    Lange, A. Lucia; Steyn, P.J.J.; 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, 1980)
    Cell cultures prepared from the spleen and mesenteric lymph nodes of affected kittens were subjected to histochemical and ultrastructural studies. Macrophages in the cultures contained lipid in the cytoplasm and the ...
  • Turkey meningoencephalitis in South Africa 
    Barnard, B.J.H.; Buys, S.B.; Du Preez, J.H.; Greyling, S.P.; Venter, H.J.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by the Government Printer, Pretoria., 1980)
    Turkey meningo-encephalitis is a neuroparalytic disease of turkey’s first described and shown to be caused by a flavivirus in Israel. During 1978 a similar disease was observed in South Africa. In addition to the lesions ...
  • The use of faecal analyses to estimate the phosphorus intake by grazing Sheep. I. The use of pool instead of individual samples 
    Belonje, P.C.; Van den Berg, A.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M. (Published by the Government Printer, Pretoria., 1980)
    Analyses of rectal faeces of sheep for phosphorus, calcium and magnesium may be useful to indicate the mineral status of the herbage being consumed. A number of sheep should be used for each pasture, but this would entail ...
  • The use of faecal analyses to estimate the phosphorus intake by grazing sheep. II. The repeatability of the technique and the influence of varying the phosphorus intake 
    Belonje, P.C.; Van den Berg, A.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M. (Published by the Government Printer, Pretoria., 1980)
    Analyses of rectal faeces of sheep for phosphorus, calcium and magnesium may be useful to indicate the mineral status of the herbage being consumed. A number of sheep should be used for each pasture, but this would entail ...
  • Wesselsbron disease : virological and serological studies in experimentally infected sheep and goats 
    Theodoridis, A.; Coetzer, Jacobus A.W.; Steyn, P.J.J.; 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, 1980)
    Adult sheep and goats and new-born lambs and kids were experimentally infected with a Wesselsbron disease virus. The viraemia in lambs commenced approximately 27 h after infection and lasted on the average for 50 h. A ...