Equine Neurologic Herpesvirus Diagnosed at Two Additional Ontario Farms

The Regional Municipality of Peel and the Regional Municipality of Niagara in Ontario, Canada, reported cases of neurologic equine herpesvirus.
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Regional Municipality of Niagara Ontario Canada

The Regional Municipality of Niagara in Ontario, Canada.

Regional Municipality of Peel Ontario Canada

The Regional Municipality of Peel in Ontario, Canada.

The Ontario Ministry of Agriculture and Food reported positive cases of neurologic equine herpesvirus in the Regional Municipality of Peel and the Regional Municipality of Niagara.

In the Regional Municipality of Peel, an 18-year-old gelding was euthanized at a private facility due to neurologic equine herpesvirus. His clinical signs included incoordination of hind limbs and he progressed to being down with an inability to rise. The facility is under an official quarantine.

In the Regional Municipality of Niagara, a 7-year-old mare was confirmed with equine neurologic herpesvirus. Her clinical signs included difficulty urinating and an inability to rise.

The Ontario Ministry of Agriculture and Food said both facilities are under veterinary supervision and the farm managers have implemented biosecurity procedures and movement restrictions.

There are now three equine facilities in the province of Ontario with a confirmed EHV-1 infections causing neurologic disease.

For more information about neurologic herpesvirus (equine herpesvirus myeloencephalopathy or EHM), visit this AAEP Fact Sheet.

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

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