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Specific immunity in farm animals to heartwater
1Department of Infectious Diseases and Public Health, Faculty of Veterinary Science, Medical University of Southern Africa, Medunsa.
The Onderstepoort Journal of Veterinary Research
|September 1, 1987
Abstract:
The duration of immunity to heartwater normally varies from 6 months to 4 years. In Angora goats it may be difficult to produce a specific immune response with vaccination. Humoral immunity does not appear to play a role in the development of immunity. It has been suggested that cellular immunity may play a role, but the actual mechanism involved remains obscure. The specific immune response developing in farm animals following infection with Cowdria ruminantium is reviewed.