Four Michigan Horses Succumb to EEE

Four horses in Michigan either died or were euthanized due to Eastern equine encephalitis (EEE) in Newaygo, Jackson and Kalamazoo Counties.
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Michigan Jackson Kalamazoo Newaygo Counties

Four horses in Michigan either died or were euthanized due to Eastern equine encephalitis (EEE) in Newaygo, Jackson and Kalamazoo Counties.

The Michigan Department of Agriculture and Rural Development reported that four horses have tested positive for Eastern equine encephalitis (EEE). Following is information on the individual cases.

In Newaygo County two horses were confirmed with EEE. One was an 11-year-old Percheron mare that had onset of clinical signs on September 5 that included ataxia and being unable to rise. The unvaccinated mare is deceased.

Also in Newaygo County, a 12-year-old pony gelding had onset of clinical signs on September 15 that included ataxia, circling, fever and head pressing. He was confirmed with EEE on September 23. The unvaccinated pony was euthanized.

In Jackson County, a 12-year-old pony gelding had onset of clinical signs on September 15 that included ataxia, circling, fever and head pressing. He was confirmed on September 23. The unvaccinated pony was euthanized.

In Kalamazoo County, a 2-year old Quarter Horse filly had onset of clinical signs on September 17 that included ataxia, blindness, drooling, fever and lethargy. She was confirmed with EEE on September 23. The mare was euthanized and her vaccination status was unknown.

Information for this report was provided by the Equine Disease Communication Center.

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