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Strangles (Streptococcus equi) in Ontario, December 5, 2024

Ontario Ministry of Agriculture, Food and Agribusiness (OMAFA)
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Strangles (Streptococcus equi) has been confirmed in Perth County, Ontario. A 3 year old Standardbred filly developed lethargy, a low grade fever and a draining abscess under the jaw. A sample from the abscess was positive on culture and PCR for S. equi. 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.