Protect Horses From Potomac Horse Fever Through First Frost

Many horse owners don’t think about Potomac horse fever (PHF) until it’s too late. The bacterium that causes this seasonal disease has a better chance of infecting horses during the late spring to early fall in temperate areas. As a horse owner, you should be on the lookout for any signs until after the first hard frost.

“This disease has already affected several horses this season and it does not show signs of stopping until frost sets in, unless you take steps to help protect your horse,” said Hoyt Cheramie, DVM, MS, manager of Merial’s Large Animal Veterinar