Reactions to heartwater vaccination in crossbred Zebu cattle.

  title={Reactions to heartwater vaccination in crossbred Zebu cattle.},
  author={John A Lawrence and J Malika and A. P. Whiteland and P. T. Kafuwa},
  journal={The Onderstepoort journal of veterinary research},
  volume={62 1},
One thousand and ninety-four crossbred Zebu cattle were immunized against heartwater with a sheep-blood vaccine containing the Ball 3 strain of Cowdria ruminantium. Animals experiencing febrile reactions were treated at various stages of the reaction with tetracycline. Four hundred and sixty-two (42.2%) reacted, six (0.6%) of which died. Deaths were… CONTINUE READING