Nebraska’s Equine Herpesvirus-1 Quarantine Lifted

The affected horse has recovered, and none of the 30 exposed horses became ill.
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Nebraska’s Equine Herpesvirus-1 Quarantine Lifted
The voluntary quarantine in Washington County, Nebraska, has been lifted after the attending veterinarian determined that the affected horse has recovered and none of the 30 other exposed horses have become ill. | Photo: iStock
A voluntary equine herpesvirus-1 (EHV-1) quarantine in Washington County, Nebraska, has been lifted after the attending veterinarian determined that the affected horse has recovered and none of the 30 other exposed horses have become ill.

On Feb. 4, the 8-year-old Quarter Horse mare began showing clinical signs of fever and lethargy and subsequently tested positive on Feb. 6.

EHV 101

Herpesvirus is highly contagious among horses and can cause a variety of ailments in equids, including rhinopneumonitis (a respiratory disease usually found in young horses), abortion in broodmares, and equine herpesvirus myeloencephalitis (EHM, the neurologic form).

In many horses, the first or only sign of EHV-1 infection is fever, which can go undetected. In addition to fever, other common signs of EHV-1 infection in young horses include cough, decreased appetite, depression, and a nasal discharge. Pregnant mares typically show no signs of infection before they abort, and abortions usually occur late in gestation (around eight months) but can be earlier. Abortions can occur anywhere from two weeks to several months following infection with EHV-1

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