Abstract
Thirty-three of the 44 mares on a Thoroughbred stud in New South Wales aborted or lost foals within one day of birth. Gross pathological and histological changes were in keeping with Equid herpesvirus I (EHV-1) abortion. In the six foals that underwent virological examination, EHV was isolated and typed as EHV-1 by restriction endonuclease analysis. EHV-1 abortion had not occurred previously on this stud and the source of the infection was not identified.
MeSH terms
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Abortion, Veterinary / epidemiology*
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Abortion, Veterinary / pathology
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Animals
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Disease Outbreaks / veterinary*
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Female
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Herpesviridae Infections / epidemiology
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Herpesviridae Infections / pathology
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Herpesviridae Infections / veterinary*
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Herpesvirus 1, Equid / classification
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Herpesvirus 1, Equid / isolation & purification*
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Horse Diseases / epidemiology*
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Horse Diseases / pathology
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Horses
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Liver / pathology
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Lung / pathology
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New South Wales / epidemiology
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Pregnancy
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Restriction Mapping
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Spleen / pathology