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1980 Onderstepoort Journal of Veterinary Research, Volume 47, 1980: Recent submissions

  • Effective immunization of lambs against enterotoxaemia 
    Cameron, Colin McKenzie; 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)
    In contrast to adult sheep, 2- to 3-month-old lambs do not respond well to a single injection of Clostridium perfringens Type D oil adjuvant epsilon toxoid. This unresponsiveness can be overcome, however, by administering ...
  • Aetiology of Jaagsiekte : transmission by means of subcellular fractions and evidence for the involvement of a retrovirus 
    Verwoerd, Daniel Wynand; De Villiers, Ethel-Michele; Tustin, R.C.; 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)
    Jaagsiekte (ovine pulmonary adenomatosis) was transmitted to new-born lambs by inoculation of the microsomal fraction of a cytoplasmic extract of cultured tumour cells or tumour tissue. Various treatments of the biologically ...
  • Subject index 
    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)
  • Lesions resulting from inoculation of porcine foetuses with porcine parvovirus 
    Prozesky, Leon; Thomson, G.R. (Gavin); Gainaru, M.D.; Herr, S.; Kritzinger, L.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. (Pretoria : The Government Printer, 1980)
    In utero inoculation of 15 sows at various stages of gestation with a local strain of porcine parvovirus (PPV) resulted in resorption, abortion or the birth of weak, dead, or mummified foetuses. Histopathological lesions ...
  • Author index 
    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 : Government Printer, 1980)
  • The pathology of bacterial infection of the genitalia in rams 
    Jansen, B.C.; 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)
    Details are given of the macroscopic and histopathological changes brought about by infection of the genitalia of rams by bacteria other than Brucella ovis. Lesions of the vesiculae seminales and ampullae are described ...
  • Isolation of Anaplasma marginale from Rhipicephalus simus males 
    Potgieter, F.T.; Van Rensburg, L.; 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)
    Approximately 100 adult Rhipicephalus simus from a batch known to be infected with Anaplasma marginale were used to infest an ox. Fifty male ticks were manually removed from the animal's ears 9 days after infestation. These ...
  • Photosensitivity in South Africa. II. The experimental production of the ovine hepatogenous photosensitivity disease geeldikkop (Tribulosis ovis) by the simultaneous ingestion of Tribulus terrestris plants and cultures of Pithomyces chartarum containing the mycotoxin sporidesmin 
    Bath, Gareth F.; Kellerman, T. Stephanus; Van der Westhuizen, G.C.A.; Coetzer, Jacobus A.W.; Roux, Cecilia; Marasas, Walter F.O. (Walter Friedrich Otto); Minne, J.A.; Basson, P.A.; 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)
    The mycoflora of toxic pastures were surveyed during a number of outbreaks of ovine hepatogenous photosensitivity in South Africa. Pure cultures of several isolates were dosed to sheep, but only those of Pithomyces chartarum ...
  • A surgical technique for the experimental reproduction of epididymitis in rams 
    Jansen, B.C.; 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)
    A surgical technique is described for introducing a bacterial culture into the vas deferens of a ram close to the epididymis in such a manner that the infective material spreads to the lumen of the ductus epididymidis.
  • 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 ...
  • Lack of cross-immunity among Pasteurella multocida Type A strains 
    Cameron, Colin McKenzie; Pienaar, Lorraine; Vermeulen, Aletta S.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. (Pretoria : The Government Printer, 1980)
    Active and passive protection studies in mice using sheep antisera revealed that the immunological relationship among Pasteurella multocida Type A strains could not be correlated with their serological relationship as ...
  • 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 ...
  • Studies on the physiopathology of chronic obstructive pulmonary disease in the horse. II. Right heart haemodynamics 
    Littlejohn, A.; Bowles, Felicity; 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)
    Pressure curves obtained by cardiac catheterization of the pulmonary artery, right ventricle and right atrium of 9 horses and ponies with chronic obstructive pulmonary disease (COPD) were compared with those similarly ...
  • Plasma progesterone in cattle. I. Development and validity of the assay 
    Terblanche, H.M.; Labuschagne, J.M.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Terb; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by the Government Printer, Pretoria., 1980)
    The development of a practical competitive protein-binding assay for plasma progesterone in cattle is described. With an intra-assay coefficient of variation of 5,46% and an interassay coefficient of variation of 14,25%, ...
  • Glucose turnover, tolerance and insulin response in wethers, ewes and pregnant ewes in the fed and fasted state 
    Procos, J.; Labuschagne, F.J.; Van der Walt, J.G.; 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)
    Glucose turnover parameters were obtained in fed and fasted wethers, ewes and pregnant ewes in their 2nd and 3rd trimesters, using a jugular bolus injection of D-glucose-2-³H. Fasting significantly (P<0,05) reduced glucose ...
  • Laboratory studies on the biology of Simulium nigritarse Coquillett and Simulium adersi Pomeroy (Diptera : simuliidae) 
    Begemann, G.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)
    The eggs of both Simulium nigritarse and S. adersi took up to 13 days to hatch in water at a temperature of 25 °C. The larvae of S. nigritarse required a minimum of 20 days and those of S.adersi a minimum of 17 days to ...
  • Occurrence of Taenia solium in a Cape fur seal (Arctocephalus pusillus) 
    De Graaf, A .S.; Shaughnessy, P. D.; McCully, R.M.; Verster, Anna J.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)
    The larval stage of Taenia solium was recovered from the brain, skeletal muscles, heart, lungs and liver of a Cape fur seal collected near Cape Town. This is apparently the second record of the larval stage of this cestode ...
  • 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 ...
  • Determination of the physicochemical and microbiological quality of carcass, bone and blood meal 
    Van Der Made, H.N.; Van Staden, J.J.; Du Toit, J. de V.; Jordaan, E.; Barrett, E.L.; Coetzee, J.D.; 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)
    The pH value and the moisture, fat and protein content of abattoir by products which are commercially available in the Republic of South Africa were examined, and the total bacterial count and the extent of Salmonella, ...
  • A haemagglutination and a haemagglutination inhibition test for bluetongue virus 
    Van der Walt, N. T.; 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)
    Haemagglutination of bluetongue virus (BTV) was demonstrated for the first time by making use of a purified preparation of the virus. The reaction was found to be independent of variations in the pH, temperature, buffer ...