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Evaluation of a 3 ml heartwater (cowdriosis) infective blood vaccine dose
M P Combrink1, D T De Waal, P C Troskie
1Protozoology Division, Onderstepoort Veterinary Institute, South Africa.
The Onderstepoort Journal of Veterinary Research
|December 16, 1998
Three milliliters of blood from the present commercially produced heartwater infective blood vaccine (Ball3 stock) was experimentally tested in sheep and cattle for infectivity and efficacy. Results obtained for this vaccine dose were statistically not different from results for the prescribed 5 ml vaccine dose.
Three milliliters of blood from the present commercially produced heartwater infective blood vaccine (Ball3 stock) was experimentally tested in sheep and cattle for infectivity and efficacy. Results obtained for this vaccine dose were statistically not different from results for the prescribed 5 ml vaccine dose.