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.

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Strangles

Brant County, ON

Outbreak Identifier: 6848

Alert ID: 4351

May 05, 2025

Confirmed Case(s) - Voluntary Quarantine

Source: OMAFA

Number Confirmed: 1;
Number Suspected: 1;
Number Exposed: 2;
Facility Type: Private Facility;

Horse 1:
Age: 7; Gender: Gelding; Breed: Quarter Horse (QH); Clinical Signs: This gelding developed a fever and nasal discharge shortly after returning from a competition held in the Hamilton region and was sampled on April 29. One other horse on the property has developed fever and nasal discharge. Testing of the nasal discharge from the gelding was positive for S. equi.;

Comments: The facility owner, working with their veterinarian, has instituted voluntary animal movement restrictions and biosecurity protocols. 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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