Browsing 1974 Onderstepoort Journal of Veterinary Research, Volume 41, 1974 by Author "Cameron, Colin McKenzie"

Browsing 1974 Onderstepoort Journal of Veterinary Research, Volume 41, 1974 by Author "Cameron, Colin McKenzie"

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  • A comparative study on the immunogenicity of live and inactivated Salmonella typhimurium vaccines in mice 
    Cameron, Colin McKenzie; Fuls, W.J.P.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J.M.; Walker, Jane B. (Pretoria : The Government Printer, 1974)
    Mice were very successfully immunized against intraperitoneal infection with virulent Salmonella typhimurium by fluid and lyophilized formalin inactivated vaccines prepared from a smooth strain of the microorganism. A ...
  • The effect of immunosuppression on the development of immunity to fowl typhoid 
    Brett, O.L.; Fuls, W.J.P.; Cameron, Colin McKenzie; De Kock, V.E.; Verster, Anna J.M.; Walker, Jane B.; Bigalke, R.D.; Cameron, Colin McKenzie (Pretoria : The Government Printer, 1974)
    Chickens which were given cyclophosphamide during the first three to five days of life showed a marked depression in their humoral antibody response to sheep erythrocytes and Brucella antigen. Their ability to develop ...
  • Sedimentation of bacteria with polyethylene glycol 
    Cameron, Colin McKenzie; Weiss, K.E.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J.M.; Walker, Jane B. (Pretoria : The Government Printer, 1974)
    Experiments are reported which show that the addition of 4,0% polyethylene glycol (6 000 MW) to liquid cultures of Clostridium welchii Type D , Pasteurella and Vibrio fetus (venerialis) will effectively sediment the bacteria. ...