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1982 Onderstepoort Journal of Veterinary Research, Volume 49, 1982: Recent submissions

  • Babesia bigemina vaccine : comparison of the efficacy and safety of Australian and South African strains under experimental conditions in South Africa 
    De Vos, A.J.; Combrink, M.P.; Bessenger, R.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    A Babesia bigemina vaccine strain (G strain) of reduced virulence was obtained from Australia and tested experimentally for efficacy and virulence. The strain caused mild reactions in 10 animals and afforded good protection ...
  • Helminth and arthropod parasites of vaal ribbok, Pelea capreolus, in the western Cape Province 
    Horak, Ivan Gerard; De Vos, Valerius; De Klerk, B.D.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    Five vaal ribbok, culled in the Bontebok National Park during December 1979, were examined for helminth and arthropod parasites. Two nematode species, a louse and 2 tick species were recovered and there was also evidence ...
  • Babesia, Theileria and Anaplasma spp. infecting sable antelope, Hippotragus niger (Harris, 1838), in southern Africa 
    Thomas, Shan E.; Wilson, D.E.; Mason, T.E.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    Some observations are recorded on blood parasites of sable antelopes. Blood smears of 124 of these antelopes from South Africa and Zimbabwe were examined and 7 were found to be positive for a Babesia sp., identified as ...
  • Helminth and arthropod parasites of blesbok, Damaliscus dorcas phillipsi, and of bontebok, Damaliscus dorcas dorcas. 
    Horak, Ivan Gerard; Brown, Moira R.; Boomker, Jacob Diederik Frederik; De Vos, Valerius; Van Zyl, Elsa A.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    The helminth burdens of 8 blesbok shot in the north-eastern Orange Free State, 8 from the eastern Cape Province, 28 from the eastern Transvaal and 3 from the central Transvaal were determined. In addition, the arthropod ...
  • Tetraphyllin B and epi-tetraphyllin B from Adenia glauca Schinz 
    Spencer, K.C.; Seigler, D.S.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    Tetraphyllin B and epi-tetraphyllin B have been isolated from the South African plant Adenia glauca Schinz in an approximate ratio of 5 : 1. The structures were established by ¹H-NMR.
  • Studies on Strongylus asini. I. Experimental infestation of equines 
    Malan, F.S.; De Vos, Valerius; Reinecke, R.K.; Pletcher, J.M.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    Infective larvae were harvested from a culture of eggs collected from adult Strongylus asini recovered from a free-ranging Burchell's zebra, Equus burchelli, in the Kruger National Park. Worm-free zebra, horse and donkey ...
  • Virulence and heterologous strain immunity of South African and Australian Babesia bovis strains with reduced pathogenicity 
    De Vos, A.J.; Bessenger, R.; Fourie, C.G.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    A South African Babesia bovis strain showed loss of virulence after 10 rapid passages in splenectomized calves. The virulence was comparable with that of an attenuated Australian vaccine strain. Vaccination of crossbred ...
  • Clinical and pathological studies in adult sheep and goats experimentally infected with Wesselsbron disease virus 
    Coetzer, Jacobus A.W.; Theodoridis, A.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    The clinical symptoms and pathology in 33 adult sheep and 31 adult goats experimentally infected with Wesselsbron disease virus are described. There was moderate to severe hyperthermia in most animals, but no other ...
  • The pathology of Rift Valley fever. II. Lesions occurring in field cases in adult cattle, calves and aborted foetuses 
    Coetzer, Jacobus A.W.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    Since the original description of Rift Valley fever in sheep, cattle and man in the Rift Valley in Kenya in 1931, very little has been published on the disease in cattle. This report deals with the macroscopic and microscopic ...
  • Cooperia acutispiculum n. sp. (Nematoda: Trichostrongylidae) from the kudu, Tragelaphus strepsiceros (Pallas, 1766) 
    Boomker, Jacob Diederik Frederik; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    A new species of nematode, Cooperia acutispiculum, was collected from the small intestine of 3 out of 4 kudu Tragelaphus strepsiceros (Pallas, 1766) and 2 out of 3 grey duiker, Sylvicapra grimmia (Linnaeus, 1758), culled ...
  • The reproducibility of results in bovine brucellosis serology and their correlation with the isolation of Brucella abortus 
    Herr, S.; Roux, D.; Pieterson, P.M.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    In both the complement fixation test (CFT) and the serum agglutination test (SAT) titres were reproducible for the most part within a twofold range. They seldom exceeded these limits and never a fourfold range. Brucella ...
  • Parasites of domestic and wild animals in South Africa. XIV. The seasonal prevalence of Rhipicephalus sanguineus and Ctenocephalides spp. on kennelled dogs in Pretoria North 
    Horak, Ivan Gerard; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    The seasonal prevalence of Rhipicephalus sanguineus and Ctenocephalides spp. on kennelled dogs in Pretoria North was determined by the regular examination of 3, initially, and later 2 dogs from March 1975-January 1977. Once ...
  • Seasonal incidence of helminths in the Burchell's zebra 
    Scialdo, Rosina C.; Reinecke, R.K.; De Vos, Valerius; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    Ten Burchell's zebras were culled in conjunction with the Kruger National Park's game management programme. The colts ranged in age from 9-17 months and the stallions from 2½ - 23 years. The gastro-intestinal tract and ...
  • Prozones and delayed reactions in the rose bengal test for bovine brucellosis 
    Herr, S.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    A prozone and a somewhat delayed reaction were found to be present in the rose bengal test (RBT) when sera, delayed in transport, gave rise to false negative results. A postulate as to the mechanisms possibly involved ...
  • Helminth and arthropod parasites of springbok, Antidorcas marsupialis, in the Transvaal and western Cape Province 
    Horak, Ivan Gerard; Meltzer, David George Anton; De Vos, Valerius; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    The helminth burdens of 17 springbok from 2 localities in the Transvaal and of 4 springbok from the western Cape Province were determined. Eight of the animals from the Transvaal and the 4 from the Cape Province were also ...
  • Immune response to the simultaneous vaccination of day-old chickens with live and inactivated oil-based Newcastle disease vaccines 
    Pollard, B.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    The immune response, as measured by the haemagglutination-inhibition test, to the simultaneous administration of live Hitchner B1 and 2 commercially available, inactivated, oil-based, emulsified, Newcastle disease vaccines ...
  • The seasonal incidence of helminth parasites and of Oestrus ovis in Karakul sheep in the Kalahari region of South West Africa/Namibia. 
    Biggs, H.C.; Anthonissen, M.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    The seasonal incidence of gastro-intestinal helminths and of Oestrus ovis was determined by slaughter of successive groups of 4 tracer lambs, each exposed on pasture for 33 days. Haemonchus contortus was present from March ...
  • Studies on Haemonchus contortus. VII. The effect of treatment of Trichostrongylus axei prior to challenge with H. contortus 
    Reinecke, R.K.; Bruckner, Christel; De Villiers, I.L.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    Four-month-old worm-free Merino lambs were dosed with 20 000 infective larvae of Trichostrongylus axei on Day 0 and again on Day +14. On Day +83 they were treated with mebendazole at 15 mg/kg. All lambs in this group and ...
  • Leptospira interrogans serovar pomona associated with abortion in cattle : isolation methods and laboratory animal histopathology 
    Herr, S.; Riley, A.E.; Neser, J.A.; Roux, D.; De Lange, J.F.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    Leptospira interrogans serovar pomona was successfully isolated from cattle urine in the western Transvaal after an abortion storm had occurred. Direct inoculation of EMJH medium proved the most successful method. The ...
  • Parasites of South African freshwater fish. I. Some nematodes of the catfish [Clarias gariepinus (Burchell, 1822)] from the Hartbeespoort Dam 
    Boomker, Jacob Diederik Frederik; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    A seasonal study of the parasites of fish in the Hartbeespoort Dam was undertaken in 1979. This paper deals with 4 nematode species recovered from catfish, namely, Paracamallanus cyathopharynx (Baylis, 1923), Procamallanus ...