Abstract
Equine viral arteritis is reviewed with specific reference to clinical features, etiology, transmission, diagnosis, epidemiology, and current methods for the control of this disease. There is evidence of variation in pathogenicity among strains of equine arteritis virus. Virus transmission occurs primarily by the respiratory and venereal routes during the acute phase of the infection. The long-term carrier stallion appears to play a major epidemiological role in dissemination and perpetuation of the virus. Unlike the stallion, the carrier state has yet to be demonstrated in the mare or foal. A commercial modifiedlive equine arteritis virus vaccine has been shown to be safe and efficacious for stallions and mares. The disease can be controlled by identification and isolation of carrier stallions, immunization of seronegative stallions, and by restricting the breeding of equine arteritis virus-shedding stallions to equine arteritis virus vaccinated or seropositive mares.
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Selected References
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