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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  • Leukoencephalomacia : A mycotoxicosis of equidae caused by Fusarium moniliforme Sheldon 
    Marasas, Walter F.O. (Walter Friedrich Otto); Naude, T.W.; Pienaar, J.G.; Kellerman, T. Stephanus; 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)
    When 2 horses were dosed with cultures of a Fusarium moniliforme isolate that had previously caused only hepatosis, 1 developed brain oedema and hepatosis, and the other only leukoencephalomalacia. A 3rd horse developed ...
  • A highly fatal tremorgenic mycotoxicosis of cattle caused by Aspergillus clavatus 
    Pienaar, J. G.; Van der Westhuizen, G.C.A.; Anderson, L.A.P.; Naude, T.W.; Kellerman, T. Stephanus; 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)
    During February 1975, a tremorgenic neurotoxicosis decimated a herd of cattle in the northern Transvaal. This hitherto unidentified disease was characterized by hypersensitivity, incoordination, a peculiar stiff-legged ...
  • Ixodes (Afrixodes) bakeri Authur & Cliford, 1961 (Acarina : Ixodidae): description of the male and immature stages from rodents and insectivores and notes on its biology in South Africa 
    Walker, Jane B.; Clifford, C.M.; Keirans, J.E.; 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 male, nymph and larva of Ixodes (A.) bakeri are described and illustrated with line drawings and scanning electron microscope photographs. This species was originally described from 1 female from Otomys sp., Nyika ...
  • Relation between macrophage migration inhibition and immunity to Brucella abortus in guinea-pigs 
    Cameron, Colin McKenzie; Van Rensburg, J.J.; Engelbrecht, Maria 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)
    A soluble protein antigen was prepared from Brucella melitensis Rev I with which macrophage migration inhibition (MMI) assays were successfully done using guinea-pig peritoneal exudate cells. By comparing the MMI, agglutinin ...
  • Antibody response to and immunity induced by Corynebacterium pyogenes vaccine 
    Cameron, Colin McKenzie; Botha, Wilna F.; Smit, B.H.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 procedure is described for producing a high quality C. pyogenes vaccine. A satisfactory antibody response was obtained by administering 3 subcutaneous injections of vaccine at 10-day intervals, using doses of 2,0 ml ...
  • The isolation and preliminary genetic classification of temperature-sensitive mutants of bluetongue virus 
    Shipham, S.O.; De la Rey, 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)
    Temperature-sensitive mutants of bluetongue virus were isolated and classified in 6 genetic recombination groups. The frequency of recombination varied both within and between groups. The 4 mutagens used viz. nitrous acid, ...
  • Experimental intraspinal Trypanosoma equiperdum infection in a horse 
    Barrowman, P.R.; 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)
    To establish the ability of Trypanosoma equiperdum to cross the blood-brain-barrier in the horse, a susceptible stallion was infected via the cerebrospinal fluid of the subarachnoid space by lumbosacral puncture. Cerebrospinal ...
  • Bluetongue virus as a cause of hydranencephaly in cattle 
    Barnard, B.J.H.; Pienaar, J.G.; 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)
    Hydranencephaly was produced in a foetus and a calf by intra-uterine infection with an attenuated Type 10 bluetongue virus. Laparotomy was performed on the respective dams and the foetust:s, respectively 126 days and 138 ...
  • A study on the pathogenesis of bluetongue : replication of the virus in the organs of infected sheep 
    Pini, A.; 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 pathogenesis of bluetongue infection was studied by the titration of the virus in tissue samples taken from sheep inoculated subcutaneously in the auricula of the ear with 76 TC ID₅₀ the plaque-purified type 10 bluetongue ...