Outbreaks | Equine Disease Communication Center

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.

Disease

Outbreak States

Start Date

End Date

Strangles

Grey County, ON

Outbreak Identifier: 6761

Alert ID: 4252

March 10, 2025

Confirmed Case(s) - Voluntary Quarantine

Source: OMAFA

Number Confirmed: 1;
Facility Type: Private Facility;

Horse 1:
Age: 3; Gender: Filly; Breed: Draft; Clinical Signs: This filly was a new horse and was immediately quarantined upon arrival at the owner's farm. She developed submandibular abscesses and nasal discharge. No other horses on the farm are clinically affected.; Horse Status: Recovering;

Comments: The farm owner is working with their veterinarian on voluntary animal movement restrictions and biosecurity. To see past and present Strangles cases in Ontario go to: https://www.oahn.ca/resources/ontario-equine-disease-alerts/ and enter the disease surveillance portal.;

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