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zooepidemicus is an opportunistic bacterium that can take advantage of primary virus (influenza, herpes) infection of the airways. During the physical, your doctor will look for any diabetes-related complications, as well as screen for other medical problems. “It comes down to basic biosecurity,” says Nicola Pusterla, DVM, PhD, Dipl. The burros were tested for Equine Herpes Virus and Equine Influenza, without positive results, according to the news reports, and the BLM is pursuing DNA testing for asinine herpes virus. Feed and clean in the order of non-exposed to exposed to infected. Barns are quarantined 14 days after a positive test and come out of quarantine after every horse in the barn twice tests negative for EHV-1. The study, “Equine herpesviruses type 1 (EHV-1) and 4 (EHV-4)-Masters of co-evolution and a constant threat to equids and beyond,” was published in Veterinary Microbiology.

There is neither a vaccine to help prevent EIA nor an effective treatment for EIA. It does decrease the risks and indeed the impact of the clinical disease, by reducing nasal shedding of the virus. If you find your horse’s temperature to be above the normal 99 to 101.5 degrees Fahrenheit, you should contact your veterinarian, who will do a physical examination and, if indicated, will take both a nasal swab and a blood sample, and send them to a laboratory to be tested. If a horse on the property has been confirmed or is suspected to have EHV-1 and EHM, there should be no movement of horses on or off the property for at least 21 days from the resolution of clinical signs in all horses on the property. It also allows horses carrying the virus a greater opportunity to infect horses that might otherwise test negative, which could further prolong the quarantine. If herpesvirus infection is confirmed, isolation, movement restrictions and strict hygiene procedures should be followed. The last febrile case occurred on December 12, 2016.


“What was remarkable here is the dispersal,” said Dr. Osterrieder’s preliminary study compared the effectiveness of MLV vaccines to another more widely used vaccine for equine herpes. Each of two groups was immunized with either of two commercially available killed-virus vaccines (Prodigy by Intervet–now Merck Animal Health–and Calvenza by Boehringer Ingelheim). Disease can range from subclinical to the severe neurologic symptoms seen in the horse at WSU. A blacksmith coming in from New Mexico was also asked to disinfect his equipment in front of track officials. Erica Larson, news editor, holds a degree in journalism with an external specialty in equine science from Michigan State University in East Lansing. Sunland Park in New Mexico was forced to halt racing for more than a month after an outbreak there in January.

LDAF officials say no other horses at the Fair Grounds are showing symptoms of the disease, but the barn where the affected horse was housed is currently under quarantine by the Office of the State Veterinarian. They will remain under quarantine until all test negative on nasal swabs. The stud, owned by the Jockey Club, is also closed for public tours until further notice. Though not a threat to humans, the neurogenic form of EHV-1 that has surfaced at Fair Grounds can trigger fatal neurological symptoms in horses. Turf Paradise in Arizona expects its quarantine to be lifted Thursday. An EHV-1 outbreak in January led officials to shut down racing for several weeks at Sunland Park and quarantine at the track near the New Mexico-Texas border. As of this week, only five remain in isolation in the barn.

None were found to be a more serious strain that affects the nervous tissue, but one horse remains under quarantine, keeping any other horses from entering or leaving the facility, according to the state. If you would like to continue to read … There is not a vaccine that protects against EHM. Three horses have exhibited neurologic signs of disease and two of those horses have been euthanized. The quarantine all but shut down Sunset Hill operations, said Georgette Litchfield, whose family has owned the farm for more than 60 years. Six barns will remain quarantined because horses there were exposed to the virus. The reposted information can be found on our website,  here.

They’d been at Fonner for a couple of months. The CDFA’s Fowler advised that concerned horse owners look for symptoms including a fever, cough, nasal discharge, listlessness or swelling in the lower limbs . New Mexico’s acting state veterinarian Alexandra Eckhoff, DVM, was among those who spoke to owners, trainers, and grooms who gathered on Feb. Quarantine, Hold Orders For Horse Virus LiftedAll the hold and quarantine orders issued to prevent the spread of a potentially fatal horse virus have been lifted in Colorado. 31. In cooperation with the track, the Arizona Department of Agriculture declared a 21 day quarantine at the stable area meaning no horses in and no horses out because of the Equine Herpes Virus.