A virus among animals in Northern Colorado is spreading and more stables are being quarantined.
A horse that competed in the Colorado rodeo and barrel racing circuit has tested positive for a virus that can cause breathing problems and nervous system disorders for the animals.
A bull that died of rabies in Weld County is the fourth confirmed case of Colorado livestock infected by the virus this year, the state agriculture department announced.
Colorado agriculture officials say a viral disease that can cause fever, loss of appetite, and lesions of the mouth in animals has been diagnosed in at least three yaks.
The Colorado Department of Agriculture is warning cattle owners after several cases of a bovine venereal disease were reported.