Disease alerts - Strangles (Streptococcus equi) in Ontario, April 10, 2025 - Strangles (Streptococcus equi) in Ontario, April 10, 2025 - Strangles (Streptococcus equi) in Ontario, April 10, 2025

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Regulatory Category- Federal:

Not regulated

Regulatory Category- Province or Territory:

Immediately Notifiable

Animal Type:

Equine

Susceptible Animal Types:

Equine

Animal Class:

Terrestrial

Disease Agent:

Strangles (Streptococcus equi)

Disease Agent Type:

Bacteria

Organization:

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

Region:

Ontario

Event Size:

Multiple individuals at 1 premises/location

Problem(s):

Respiratory signs

Topics:

Endemic

Start Date

Apr/10/2025

End Date

Apr/10/2025

Website

Equine Disease Communication Center

Strangles (Streptococcus equi) in Ontario, April 10, 2025

Ontario Ministry of Agriculture, Food and Agribusiness (OMAFA)

Strangles (Streptococcus equi) has been confirmed in Wellington County, Ontario. An 11 year old Quarter Horse gelding horse developed copious nasal discharge 10 days after 2 new horses arrived on the boarding facility. S. equi was confirmed on PCR testing. There are 7 additional suspected cases and 7 further horses who were exposed. The facility owner has instituted voluntary animal movement restrictions and biosecurity protocols.