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

Simcoe County, ON

Outbreak Identifier: 5538

Alert ID: 2933

March 16, 2023

Confirmed Case(s) - Voluntary Quarantine

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

Number Confirmed: 1;
Number Exposed: Unknown;
Facility Type: Private Facility;
Age: Yearling; Gender: Filly; Breed: Warmblood (WB); Onset of Clinical Signs: 2/28/2023;
Clinical Signs: On February 27, 2023 an 18 month old warmblood filly was referred to a veterinary hospital for treatment of impaction colic. While at the hospital, the filly developed a fever, followed by enlarged lymph nodes, a cough and nasal discharge. Guttural pouch samples were positive for S. equi on bacterial culture. Infection control procedures were swiftly implemented at the hospital. Based on the timing of the fever, infection was suspected to have occurred on the farm. There is no history of strangles on the farm, however, further investigation/surveillance is taking place. Horse Status: Recovering;
Comments: A horse at a private facility in Simcoe County has tested positive for Strangles. The farm owner has voluntarily placed the premises under movement restrictions and the situation is being supervised by the farm veterinarian. For more information go to: https://www.equinediseasecc.org/strangles

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