Strangles
Grey County, ON
Alert ID: 4331
July 02, 2025
Confirmed Case(s) - Voluntary Quarantine

OMAFA

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

Horse 1: 
Age: 12; Gender: Gelding; Breed: Paint; Onset of Clinical Signs: 6/23/2025; Clinical Signs: This gelding developed classic signs of Strangles two weeks after being purchased from someone who buys and sells horses as their occupation. The horse also stopped over at a sales barn in the Regional Municipality of Waterloo for 48 hours prior to arriving at its new location. Testing was positive for S. equi by PCR.; 

Comments: The farm 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;