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LAS VEGAS – The Nevada High School rodeo horses in Pahrump may have been exposed to a neurological disease and upper respiratory tract, the Nevada Ministry of Agriculture said Friday.
Dr. JJ Goicoechea, a state veterinarian, ordered quarantine after the announcement of a positive case of herpes simplex virus 1 with neurological signs. The name of the establishment has not been published, however, as there is no risk to public health.
"I have issued this quarantine to help prevent the spread of the disease during the equine event season in Nevada and the surrounding states," Goicoechea said. "Equine Herpes 1 virus can cause respiratory illness in young horses, abortions in pregnant horses, and neurological disease in older horses."
High school and Nevada state rodeo horses held in Pahrump from 22-24 February may have been exposed and should be monitored for illness, such as fever, cough or runny nose.
The average incubation period of EHV-1 is four to seven days, but some can last up to 14 days. Eight to 12 days after the onset of infection, a neurological disease may occur.
EHV-1 is a reportable disease, which means that when veterinarians diagnose it, they must notify the Nevada Department of Agriculture. A list of notifiable diseases is available at agri.nv.gov.
"I urge all horse owners to monitor their horses closely, taking the temperature twice a day and looking for veterinary care for fevers over 102 degrees," said Goicoechea. "It is particularly important to practice biosecurity to minimize the risk of spreading the disease."
Biosecurity means doing everything possible to reduce the risk of transmission of an infectious disease by people, animals, equipment or vehicles. The EHV-1 and other diseases can easily be transferred on boots, coats, gloves and equipment.
Some basic practices include:
1. Never share equipment between horses and always wear clean clothes when you move from sick horses to others.
2. Always start work on healthy horses and finish with sick or recovering horses (within 30 days).
3. Avoid common areas such as hitch rails, wash racks, etc. during an epidemic.
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