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

Wasatch County, UT

Alert ID: 393

December 15, 2016

The Utah Department of Agriculture and Food (UDAF) Animal Industry Division has confirmed the first EIA positive horse in Utah in several years. The 14-year old dark bay QH gelding located in Wasatch County was originally tested for sale and movement to California but was not moved due to a positive EIA test. The horse was immediately quarantined and retested for EIA as well as equine piroplasmosis. The EIA test was again positive but the EP test was negative. The owner has decided to euthanize the horse. This horse was imported from Mexico in April of 2016 with NVSL negative test results for EIA, EP, Glanders, Dourine. Ten other cohort horses that are also quarantined on this ranch have been tested for EIA and results are pending. Twelve other cohort horses that had tested negative to EIA in the spring of this year and sent to Arizona recently are in the process of being identified and located. The State Veterinarian of Arizona has been notified by the Utah State Veterinarian and they are working together to get these horses isolated and retested. UDAF recommends regular EIA testing for all horses, including those that do not leave the property, preferably yearly but at least every 3 years.

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