Neurologic Equine Herpesvirus in Ontario, Canada

A mature gelding was euthanized due to severe neurologic equine herpesvirus in the Municipality of Niagara in Ontario, Canada.

The Ontario Ministry of Agriculture, Food and Rural Affairs confirmed a case of neurologic equine herpesvirus (also known as equine herpesvirus myeloencephalopathy or EHM) in the Municipality of Niagara. A mature gelding had clinical signs of difficulty urinating an incoordination of the hind limb that lead to the gelding ben unable to rise. He was humanely euthanized. The gelding was in residence at a private equine facility and was confirmed positive on March 16.

The facility is under veterinary supervision and the farm staff have implemented biosecurity procedures and movement restrictions. 

This is the fifth equine facility in the province this year that has had a confirmed EHV-1 infection causing neurologic disease.

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

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