Browsing 1976 Onderstepoort Journal of Veterinary Research, Volume 43, 1976 by Issue Date

Browsing 1976 Onderstepoort Journal of Veterinary Research, Volume 43, 1976 by Issue Date

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  • The fine structure of merozoites of Babesia bovis in the gut epithelium of Boophilus microplus 
    Potgieter, F.T.; Els, H.J.; Van Vuuren, A.S.; 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, 1976)
    Electron microscopic studies on merozoites of Babesia bovis in epithelial cells of the gut of Boophilus microplus revealed that the pellicle apparently consists of 3 membranes, and an osmiophilic layer intimately associated ...
  • Kinetics of the IgM and IgG immunological response to sheep erythrocytes and bluetongue virus in mice 
    Oellermann, R.A.; Carter, P.; Marx, M.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. (Published by The Government Printer, Pretoria, 1976)
    The IgM and IgG response of mice to sheep erythrocytes (SRBC) and bluetongue virus (BTV) was determined by means of haemolytic plaque assays. Maximum primary IgM response to SRBC occurred after 4 days but declined rapidly ...
  • The antibody response of cattle to Clostridium botulinum types C and D toxoids 
    Jansen, B.C.; Knoetze, P.C.; Visser, F.; 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, 1976)
    The resistance of cattle with varying serum-antitoxin titres was determined by per os challenge. The results proved that a solid immunity can be produced against C. botulinum toxins C₁ and D. The immune response of cattle ...
  • Volatile fatty acid metabolism in sheep. 1. Average daily volatile fatty acid production in the rumen of sheep fed lucerne hay 
    Van der Walt, J.G.; Briel, B. 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. (Published by The Government Printer, Pretoria, 1976)
    Changes in the total concentration of the volatile fatty acid (VFA) pool in the rumen were followed over a 24 hour period in 2 groups of sheep, 1 fed at 08h00 and the other twice daily at 08h00 and 20h00. Although similar ...
  • Q fever in cattle and sheep in Southern Africa. A preliminary report 
    Schutte, A.P.; Kurz, J.; Barnard, B.J.H.; Roux, D.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. (Published by The Government Printer, Pretoria, 1976)
    In the course of a study initiated to elucidate the role of known abortifacient agents in ruminants in Southern Afnca, Coxiella burnetii was identified in smears prepared from bovine and ovine placental tissues obtained ...
  • The effect of gamma radiation on the cysticerci of Taenia solium 
    Du Plessis, T.A.; Van den Heever, Louwrens Wepener; Verster, Anna Johanna Maria; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna Johanna Maria; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1976)
    Cysticerci of Taenia solium were exposed to gamma radiation in doses varying from 20-140 krad. Radiation had an adverse effect on the ability of the cysticerci to evaginate in vitro after a time lag of 9 days. This effect ...
  • A gel electrophoretic study of the protein and nucleic acid components of African horsesickness virus 
    Bremer, C.W.; 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. (Published by The Government Printer, Pretoria, 1976)
    The physico-chemical structure of African horse sickness virus (AHSV) is compared with that of some of the other members of the Reoviridae, and in particular with that of bluetongue virus (BTV), the type strain of the ...
  • Gonad development and gametogenesis in Boophilus decoloratus (Koch, 1844) (Acarina : Metastriata : Ixodidae) 
    Londt, J.G.H.; Spickett, Arthur M.; 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. (Published by The Government Printer, Pretoria, 1976)
    Phases in the growth of the reproductive organs and gametogenesis were followed in both males and females of Boophilus decoloratus (Koch, 1844). Special attention was given to the timing of meiosis, the production of ...
  • Cerebral babesiosis in a new-born calf 
    Imes, G.D.; Cullen, J.S.C.; 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. (Published by The Government Printer, Pretoria, 1976)
    A case of intra-uterine transmission of Babesia bovis is reported. The calf was born normally but showed signs of intravascular haemolyse is and nervous involvement 24 h after birth. It died shortly afterwards from cerebral ...