State Veterinarian

State Vet Confirms Additional Equine West Nile Virus Cases in Multiple Counties

Since the index case of the equine West Nile Virus (WNV) was identified in Colorado on July 30, 2021, horses from multiple Colorado counties have tested positive for WNV. Four additional horses in Weld County, three horses in Adams County, two horses in Boulder County and one horse each in Elbert, Otero, Morgan, and Fremont counties have tested positive for WNV. This brings the total test positive cases in 2021 to fourteen. 

Nearly 60,000 Radio Frequency Identification Livestock Ear Tags Distributed Statewide in 2020

November 17, 2020
Veterinarians and Livestock Owners Contact:  Colorado State Veterinarian’s Office, 303-869-9130
Media Contact:  Mary Peck, 720-428-0441,


Broomfield, Colo. - Since the U.S. Department of Agriculture (USDA) began offering the option of no-cost Radio Frequency Identification (RFID) livestock ear tags in early 2020, the state veterinarian’s office has dispensed 59,120 tags across Colorado.