Outbreaks | Equine Disease Communication Center

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.

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Equine Infectious Anemia

Weld County, CO

Alert ID: 1117

November 06, 2018

Source: Colorado State Veterinarian’s Office

The Colorado Department of Agriculture’s, State Veterinarian’s Office, has been notified that a third Colorado horse has tested positive for Equine Infectious Anemia (EIA). The investigation is ongoing but appears to be unrelated to the prior two cases of EIA in Colorado this year. After initial test results were received, confirmatory testing was completed at the National Veterinary Services Laboratory (NVSL) in Ames, IA on November 2, 2018. The horse was tested at a veterinary clinic in Weld County as part of a pre-purchase examination under the buyer’s name. This horse allegedly participated in unsanctioned horse races. The investigation into the current location of the horse is ongoing.

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