EHV-1 Abortions in Ontario: Two Cases Reported in Haldimand County

A week prior to the abortions, two horses on the same farm developed clinical signs consistent with the neurologic form of EHV-1. These horses were euthanized and no further diagnostic testing was performed, OMAFRA said.
Share
Favorite
Please login to bookmarkClose
Please login

No account yet? Register

ADVERTISEMENT

ehv-1 abortions in ontario
In many horses, the first or only sign of EHV-1 infection is fever, which can go undetected. | Photo: Kevin Thompson/The Horse

On Jan. 18, the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) received notice of two cases of equine herpesvirus-1 (EHV-1) abortion at a farm in Haldimand County, Ontario, Canada, the agency said in a statement.

“The two mares aborted during their ninth and 10th months of pregnancy,” OMAFRA said. “One week prior to the abortions, two horses on the same farm suddenly developed neurological signs consistent with the neurological form of EHV-1 infection, also known as equine herpes myeloencephalopathy (EHM). These horses were euthanized and no further diagnostic testing was performed. The farm owner has voluntarily placed the premises under quarantine to reduce the risk of disease transmission.”

The agency said current EHV-1 vaccines that protect against abortion should be administered during the fifth, seventh, and ninth months of pregnancy and according to the manufacturer’s guidelines

Create a free account with TheHorse.com to view this content.

TheHorse.com is home to thousands of free articles about horse health care. In order to access some of our exclusive free content, you must be signed into TheHorse.com.

Start your free account today!

Already have an account?
and continue reading.

Share

Related Articles

Stay on top of the most recent Horse Health news with

FREE weekly newsletters from TheHorse.com

Sponsored Content

Weekly Poll

sponsored by:

How do you decide when to vaccinate your horses?
194 votes · 194 answers

Readers’ Most Popular

Sign In

Don’t have an account? Register for a FREE account here.

Need to update your account?

You need to be logged in to fill out this form

Create a free account with TheHorse.com!