Browsing South African National Veterinary Repository by Author "Jansen, B.C."

Browsing South African National Veterinary Repository by Author "Jansen, B.C."

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  • The relationship between the skin and some bacterial species occurring on it in the Merino 
    Jansen, B.C.; Hayes, M; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)
    Ten bacterial species were isolated from areas on the skin of Merino sheep affected by a chronic scaly condition leading to retarded wool growth. The growth requirements of the bacteria were studied and it was shown that ...
  • Retardation of wool growth in Merino sheep caused by bacteria 
    Jansen, B.C.; Hayes, Marianna; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1983)
    A condition evidenced by retarded growth of wool with alteration of the yolk into a yellow, sticky, wax-like substance was investigated. The condition was associated with hyperaemia and cellular infiltration into the dermis ...
  • 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.
  • The taxonomic position of Clostridium botulinum Type C 
    Jansen, B.C.; Knoetze, P.C.; 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. (The Government Printer, Pretoria, 1977)
    Experimental evidence is produced to justify abandoning the practice of subdividing Clostridium botulinum Type C into type Cα and type Cβ.
  • The toxic antigenic factors produced by Clostridium botulinum types C and D 
    Jansen, B.C.; South Africa. Dept. of Agricultural Technical Services; De Lange, M.; Reinecke, R.K.; Walker, Jane B.; De Kock, V.E.; Howell, P.G. (Pretoria : Government Printer, 1971)
    The toxic factors produced by Clostridium botulinum (Van Ermengem, 1896), types C and D were determined. Monospecific antisera were prepared against the different factors. It was shown that type Cα produces factors C₁ ...
  • Tryptic activation of Clostridium botulinum type Cᵦ toxin 
    Jansen, B.C.; Knoetze, P.C.; South Africa. Dept. of Agricultural Technical Services; De Lange, M.; Reinecke, R.K.; Walker, Jane B.; De Kock, V.E.; Howell, P.G. (Pretoria : Government Printer, 1971)
    The toxicity of factor C₂ produced by C. botulinum type C ᵦ is increased by exposure to 0,1% trypsin at pH 7,5 for 30 minutes. If the tryptic action is allowed to continue at pH 7,5 at room temperature, destruction of ...