Browsing 1975 Onderstepoort Journal of Veterinary Research, Volume 42, 1975 by Title

Browsing 1975 Onderstepoort Journal of Veterinary Research, Volume 42, 1975 by Title

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  • Observations on naturally acquired hepatozoonosis of wild carnivores and dogs in the Republic of South Africa 
    Young, E.; De Vos, Valerius; Bigalke, R.D.; Basson, P.A.; McCully, R.M.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    Hepatozoonosis was studied in hyaenas, lions, jackals, cheetahs and one leopard in the Kruger National Park and compared with the condition seen in dogs in the Republic of South Africa. Hepatozoon schizonts were found in ...
  • The occurrence and pathology of chlamydiosis in domestic and laboratory animals : a review 
    Pienaar, J.G.; Schutte, A.P.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    The literature on the various disease syndromes caused by chlamydia in domestic and laboratory animals is summarized. A review of the pathological lesions which characterize these diseases is presented and the pathogenesis ...
  • An outbreak of ringworm in Karakul sheep caused by a physiological variant of Trichophyton verrucosum Bodin 
    Scott, D.B.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    An outbreak of ringworm in Karakul sheep occurred during 1973 among the flocks of at least 14 farmers in South West Africa and the Northern Cape Province. Infections spread from one farm to another as a result of introducing ...
  • The partial purification of Clostridium perfringens Beta toxin 
    Mulders, M.S.G.; Worthington, R.W.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    An attempt was made to purify Clostridium perfringens Beta toxin. Crude toxin prepared by ammonium sulphate precipitation of culture supernatants was purified by chromatography on Sephadex G50, Sephadex G100 and DEAE ...
  • Preliminary report on the transmission of Parafilaria bovicola in South Africa 
    Nevill, E.M.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    The filarial worm Parafilaria bovicola causes streaks of blood on the skins of live cattle and slimy bruise-like lesions on the subcutaneous surfaces of their carcases. To determine the vectors of this worm a field survey ...
  • A rapid spectrophotometric method for the monitoring of embryonic development in ticks (Acarina : Ixodoidea) 
    Londt, J.G.H.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    A rapid spectrophotometric method for the monitoring of embryonic development in Boophilus decoloratus (Koch, 1844) is described. The method is based on a quantitative assessment of guanine, the principal end-product of ...
  • Some observations on the use of D-glucose-2-³H as a tracer in turnover studies in Merino sheep 
    Van der Walt, J.G.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    Bolus Injection of a mixture of D-g1ucose-2-³H and -(U)-¹⁴C into each sheep enabled a turnover rate to be calculated for each isotope and to be compared in the same animal. No statistically significant differences were ...
  • Some protozoan parasites of wild birds from the vicinity of Onderstepoort 
    Thomas, Shan E.; Dobson, Lynne D.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    The protozoan parasites of wild birds from the vicinity of Onderstepoort are recorded. New host records for the Republic of South Africa are: Haemoproteus in Threskiornis aethiopicus, Francolinus swainsonii, Columba guinea ...
  • Some toxic, physical and chemical properties of the oral secretion of the sand tampan, Ornithodoros savignyi Audouin (1827) 
    Howell, C.J.; Neitz, Albert Walter Herman; Potgieter, D.J.J.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    Mice, exposed to the effects of the oral secretion of Ornithodorus savignyi by injection, revealed that a potent toxin is present in the secretion. Electrophoretic and chromatographic separations of the secretion showed a ...
  • Studies on schistosomiasis. 7. A comparison of various methods for the infestation of sheep with Schistosoma mattheei 
    Van Rensburg, L. J.; Heitmann, L.P.; Van Wyk, Jan Aucamp; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    The percutaneous (leg and thorax and abdomen) and subcutaneous routes of infestation with Schistosoma mattheei were compared in 29 sheep. Larger percentages of cercariae developed after percutaneous than subcutaneous ...
  • Subject index 
    Anonymous; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Pretoria : The Government Printer, 1975)
  • Vitamin A deficiency in the captive African lion cub, Panthera leo (Linnaeus, 1758) 
    Imes, G.D. Jr; Bartsch, R.C.; Smit, J.P.J.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    Dietary, breeding and clinical histories and pathological findings are presented from 2 confirmed and 5 presumed cases of vitamin A deficiency in immature African lions. Five of the 7 animals were born in the wild while 2 ...