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Res Vet Sci. 1986 Sep;41(2):279-80.

Demonstration of the carrier state in naturally acquired equine arteritis virus infection in the stallion.


The chronic carrier state was virologically confirmed in 15 thoroughbred stallions naturally infected with equine arteritis virus based on the results of test matings and, or, isolations of the virus from semen. Carrier stallions were shown to shed equine arteritis virus in the semen for at least one to two years. Existence of a short-term or convalescent carrier state was also demonstrated in five additional stallions. The frequency of the long-term carrier state in stallions naturally infected with equine arteritis virus was 35 per cent; it varied considerably between groups of stallions on different farms. The carrier stallion would appear to play an important epidemiological role in the dissemination and perpetuation of equine arteritis virus.

[Indexed for MEDLINE]

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