Western Canadian animal disease updates

Updates on specific animal disease events across the four western provinces

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Equine herpes myeloencephalopathy (EHM) in Ontario

Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA)

A 2 year old Standardbred colt developed a fever (105 F) on February 29, 2024. He developed mild ataxia and bladder paralysis and was admitted to a referral hospital on March 3, 2024. On March 4, equine herpes virus 1 (EHV-1) was confirmed from a nasal swab using PCR. The colt is recovering.

EHV-1 is immediately notifiable in Ontario and a veterinarian is working with those involved to implement biosecurity measures.