The Kentucky State Veterinarian’s office reported a second West Nile virus-positive horse for 2017. Testing performed and reported July 27 by the University of Kentucky Veterinary Diagnostic Laboratory has confirmed a diagnosis of West Nile virus (WNV) an 18-year-old female Tennessee Walking Horse located in Franklin County. She is alive at the time of reporting.

The confirmation of West Nile virus was based on detectable WNv specific IgM antibody with compatible clinical symptoms demonstrated.

The mare presented with clinical signs on July 24. She showed muscle fasciculation (predominantly on and above both front shoulders), mild lip paresis, inappetence and reluctance to move. She had no history of West Nile virus vaccination.

The Kentucky Department of Agriculture’s West Nile Web Page has been updated to reflect this second Kentucky equine West Nile case diagnosed in 2017

This information was provided by Rusty Ford, equine programs manager for the Kentucky State Veterinarian’s office.