Equine Health Alert

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Horse owners, please see below an equine health alert from NCDA&CS.

RALEIGH – A 14-year-old female mule in Johnston County has contracted equine infectious anemia.

The disease was discovered through a routine blood test by the N.C. Veterinary Diagnostic Laboratory in Raleigh and confirmed by the U.S. Department of Agriculture. This is the first new case of EIA documented in North Carolina since 2005.

“The Johnston County facility is under a quarantine order that restricts movement of equine until further testing is completed by the N.C. Department of Agriculture and Consumer Services,” said Dr. Michael Neault, director of livestock and animal health programs. “Because the disease is not curable, the affected mule has been euthanized. The remaining equines at the facility were tested and were negative for EIA. They will be observed and retested in 60 days, and we are monitoring neighboring facilities for the disease.”

EIA is an incurable disease most commonly spread between equines, such as horses, mules and donkeys, in close proximity to biting flies and ticks. Clinical signs of EIA include fever, weakness, weight loss, anemia and edema, and death. However, affected equine may not show symptoms. All infected equine, including those that are asymptomatic, are carriers of the disease. The disease does not affect people.

There are typically a small number of cases of EIA in the United States every year, although the disease is common in other parts of the world. EIA is controlled in the United States by regular testing before traveling across state lines and/or exhibition. The test for EIA is commonly called a Coggins test.

There is no approved vaccine for EIA in the United States. To help prevent infection, follow these guidelines:

  • Use sterile, disposable needles and syringes, one per horse, for all vaccines and medications.
  • Test all horses for EIA every year, and at the time they enter a new premises.
  • Keep stables and other facilities sanitary. Regularly clean stalls and properly dispose of manure away from horse stabling areas.
  • Implement approved insect controls, such as insecticides and good drainage of standing water, to minimize fly presence.
  • Only participate in events that require evidence of negative Coggins test for every equine entering the event to prevent disease introduction and spread.
  • Isolate new horses on a property until they are tested for EIA.
  • Never mix infected and healthy animals. Do not breed horses infected with EIA.
  • Follow state laws covering EIA.

Equine owners who have concerns about their animal’s health should contact their local veterinarian. For more information about EIA or other animal diseases in North Carolina, visithttp://www.ncagr.gov/vet/DiseaseAlerts.htm. If you have questions, please email NCEquinePassport@ncagr.govor call the Veterinary Division at 919-707-3250.

NCDA&CS logo

NCDA&CS Public Affairs Division, Brian Long, Director
Mailing Address:1001 Mail Service Center, Raleigh NC 27699-1001
Physical Address: 2 West Edenton Street, Raleigh NC 27601
Phone: (919) 707-3001; FAX: (919) 733-5047