A premises in St. Clair County, Michigan, has one positive case, three suspect cases, and 55 horses exposed to strangles.
The Michigan Department of Agriculture and Rural Development reported on May 8 that a premises in St. Clair County had confirmed a case of equine strangles. That 19-year-old Quarter Horse mare had onset of clinical signs on April 28 that included nasal discharge and enlarged lymph notes. She was confirmed with strangles on May 5. She is recovering.
Three other horses on that self-quarantined premises are suspected of having strangles, and 55 other horses have been exposed on the premises.
Information for this report was provided by the Equine Disease Communication Center.