Equine Infectious Anemia

The Colorado Department of Agriculture (CDA) State Veterinarian’s Office was notified on March 28, 2023 that a horse residing in Garfield County had tested presumptive positive for Equine Infectious Anemia (EIA).

The Colorado State Veterinarian’s Office has received confirmation that a horse in Pueblo County tested positive for Equine Infectious Anemia (EIA). Samples from the horse initially tested positive at the Colorado State University Veterinary Diagnostic Laboratory on June 2, 2022. A second sample was collected and the EIA-positive results were confirmed by the USDA’s National Veterinary Services Laboratory on June 14, 2022.