On Oct. 27, a 17-year-old Quarter Horse gelding in Ada County, Idaho, tested positive for pigeon fever. The horse developed clinical signs on Oct. 19, including draining abscesses in his left pectoral ...

On Oct. 29, a yearling Standardbred at a fairground in Darke County, Ohio, tested positive for equine influenza after developing a cough, intermittent fever, and bilateral mucopurulent nasal discharge ...

On Oct. 31, the National Veterinary Services Laboratories confirmed findings of vesicular stomatitis New Jersey virus (VSNJV) in horses on two separate premises in Cochise County, Arizona. At one ...