Disease: Equine Herpesvirus
Species Affected: English sport horses
Location: Langley Township
Date: April 9, 2024
Description: There has been one case of equine
herpesvirus 1 (EHV-1) myeloencephalopathy at a boarding/training
facility. The facility had a multi-day history of multiple horses with
'swollen legs'. One of those horses (a 12 year-old thoroughbred cross
mare) subsequently developed ataxia on Monday, April 8 and tested
positive for EHV-1 on an in-clinic test on April 9. Confirmatory testing
is being arranged at the Animal Health Centre, BC Ministry of
Agriculture. Facility managers are implementing voluntary movement
restrictions as well as biosecurity measures under veterinary
supervision.
Disease Information: Equine herpesviruses are very
common viruses in horse populations worldwide. EHV-1 causes respiratory
disease, abortion, and neurologic disease. The virus is spread through
horse-to-horse contact or through contaminated environments, clothing,
or equipment.
Recommendations to horse owners:
- Make sure all horses under your care are up to date on their vaccinations.
- Monitor horses for signs of EHV-1 (particularly fever, nasal
discharge, lethargy) and contact your veterinarian if illness is
detected.
- Practice biosecurity when bringing horses or people onto your premises or while travelling with your horse.
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