Browsing 1982 Onderstepoort Journal of Veterinary Research, Volume 49, 1982 by Issue Date

Browsing 1982 Onderstepoort Journal of Veterinary Research, Volume 49, 1982 by Issue Date

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  • The presence of Paneth cells confirmed in the pig 
    Myer, M.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)
    The presence of Paneth cells, traditionally believed to be absent in the crypts of the domestic pig, Sus scrofa (Linnaeus,1758), has been confirmed in this report. The cells were found approximately 104 cm from the pyloric ...
  • Parasites of domestic and wild animals in South Africa. XV. The seasonal prevalence of ectoparasites on impala and cattle in the northern Transvaal 
    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 prevalence of ectoparasites on a total of 36 impala (Aepyceros melampus) slaughtered monthly from February 1975 to February 1976 and a total of 24 cattle slaughtered monthly from March 1976 to March 1977 in the Nylsvley ...
  • Sequential development of the liver lesions in new-born lambs infected with Rift Valley fever virus. II. Ultrastructural findings 
    Coetzer, Jacobus A.W.; Ishak, K.G.; Calvert, R.C.; 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 macroscopic and microscopic lesions in livers of new-born lambs experimentally infected with Rift Valley fever virus and killed at various intervals between 6 - 53 h after inoculation, were described in a previous ...
  • The effect of temperature on the in vitro transcriptase reaction of bluetongue virus, epizootic haemorrhagic disease virus and African horsesickness virus 
    Huismans, H. (Henk), 1942-; Van Dijk, A.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)
    Virions of bluetongue virus (BTV), epizootic haemorrhagic disease virus (EHDV) and African horsesickness virus (AHSV) can be converted to core particles by treatment with chymotrypsin and magnesium. The conversion is ...
  • Rearing the blood-feeding fly Haematobia thirouxi potans in the laboratory 
    Doube, B.M.; Fay, H.A.C.; Aschenborn, H.H.; 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)
    Two methods for rearing the African blood-feeding fly Haematobia thirouxi potans in the laboratory are described. The adult flies can be fed either on a bovine calf or in vitro, where they produced viable eggs only when ...
  • 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 ...
  • The effect of predosing calves with Trichostrongylus axei on subsequent challenge with Haemonchus placei 
    Reinecke, R.K.; De Villiers, I.L.; Joubert, Gerda; 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)
    Twelve calves were dosed with 40 000 and a further 12 with 80 000 infective larvae of Trichostrongylus axei respectively. These 2 groups and a control group were subsequently dosed with 50 000 infective larvae of Haemonchus ...
  • Studies on Haemonchus contortus. VI. Attempts to stimulate immunity to abomasal trichostrongylids in Merino sheep 
    Reinecke, R.K.; De Villiers, I.L.; Bruckner, Christel; 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)
    Two doses of infective larvae of 20 000 Trichostrongylus axei, dosed to Merino lambs at an interval of 14 days and subsequently challenged with Ostertagia circumcincta, caused a significant reduction (P < 0,01) in the ...
  • Studies on South African cardiac glycosides. II. Observations on the clinical and haemodynamic effects of cotyledoside 
    Naude, T.W.; Schultz, R.A. (Rowena Anitra); 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)
    Cotyledoside, a bufadienolide isolated from Tylecodon wallichii (Harv.) Toelken, subs. wallichii (=Cotyledon wallichii Harv.), was dosed to guinea-pigs and sheep. In guinea-pigs, the oral and subcutaneous LD₅₀ values were ...
  • 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 ...
  • Studies on the physiopathology of chronic obstructive pulmonary disease in the horse. VI. The alveolar dead space 
    Littlejohn, A.; Bowles, Felicity; 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 alveolar dead space (VDalv) as a percentage of tidal volume was calculated in horses by substituting the values for partial pressure of carbon dioxide in end-expiratory gas (PE’CO₂) and for partial pressure of carbon ...
  • 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 ...
  • 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 ...
  • Antibody response of guinea-pigs and cattle to a Campylobacter fetus oil emulsion vaccine 
    Cameron, Colin McKenzie; 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 method is described for the mass production of Campylobacter fetus oil emulsion vaccine, using 2 strains of C. fetus ss intestinalis and a strain of C. fetus ss intermedius as a substitute for C. fetus ss venerialis. ...
  • Sequential development of the liver lesions in new-born lambs infected with Rift Valley fever virus. I. Macroscopic and microscopic pathology 
    Coetzer, Jacobus A.W.; Ishak, K.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)
    Ten new-born lambs were necropsied at various intervals after artificial infection with Rift Valley fever virus for the study of the sequential development of the hepatic lesions. During the late stage of the disease, ...
  • Non-bite transmission of rabies in kudu (Tragelaphus strepsiceros) 
    Barnard, B.J.H.; Hassel, R.H.; Geyer, H.J.; De Koker, W.C.; 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 titres of rabies virus in the saliva of kudu are higher than those of the salivary glands. The high titres are an indication of active excretion and multiplication in tissues other than the salivary glands. Two out ...
  • 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 ...
  • 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 ...
  • 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 ...
  • A simple technique for the rapid diagnosis of rabies in formalin-preserved brain 
    Barnard, B.J.H.; Voges, S.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)
    A simple technique is described for the rapid diagnosis of rabies in formalin-preserved brain. Brain tissue was emulsified, washed with phosphate-buffered saline and digested with trypsin. The digested material was stained ...