Kentucky animal health authorities have confirmed additional cases of neurologic equine herpesvirus-1 (EHV-1) in horses currently or previously residing at the quarantined facility in Oldham County. Additionally, a horse residing on a different Oldham County facility tested positive for non-neuropathogenic EHV-1.

In the initial Oldham County case, all the horse on the property were tested for EHV after four horses residing there tested positive for neurologic EHV.

“Results of testing for the EHV-1 … identified two additional horses positive for EHV-1,” the Equine Disease Communication Center reported Jan. 12. “In addition, (a) horse that had spiked a fever late last week tested positive (for) the same virus type (neuropathogenic strain).

“All three of these horses were moved from their stabling area and placed in the isolation unit, and none of remaining horses in the barn were positive for EHV-1,” the EDCC said. “Subsequently, the horse that had fever presented with neurologic abnormalities on Monday and was moved to isolation at a veterinary hospital for treatment where it continues to improve