OMAFA
Number Confirmed: 1;
Number Exposed: 3;
Facility Type: Boarding Facility;
Horse 1:
Age: 14; Gender: Mare; Breed: Thoroughbred (TB); Onset of Clinical Signs: 3/31/2026; Clinical Signs: This mare was found down in the field on Mar 31. She was assisted into the barn and then into isolation where she became recumbent with urinary incontinence. Her condition worsened and she was euthanized April 1. Blood and nasal swab samples were positive for EHV-1 by PCR.; Horse Status: Euthanized;
Comments: The facility owner, working with their veterinarian, has instituted voluntary animal movement restrictions and biosecurity protocols. To see past and present EHV-1 neurologic (EHM) cases in Ontario go to: https://www.oahn.ca/resources/ontario-equine-disease-alerts/ and enter the disease surveillance portal;