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Despite their similar names and origins, decades of observation and research have shown that these organisms behave very differently, Timoney said. If you are concerned about EPM and/or think your horse might be showing neurologic signs, call your veterinarian immediately. Learn how to safely take your horse from flabby to fit step-by-step with our visual guide. Ongoing treatment will not usually be undertaken unless specifically requested by the referring practice. The Rose Parade is traditionally held on New Year’s Day, but will be held on Monday, January 2 this year due to another longstanding tradition. What are risk factors for developing reactive arthritis? “In rare cases, EHV can invade the nerve tissue of the spinal cord.

contaminated by an infected horse) shared among horses. Animals should be grouped together in groups of exposed and non exposed. Two of these newly confirmed equine cases attended the Las Vegas horse show last week. In addition, APHIS will review and redact, as necessary, the lists of licensees and registrants under the AWA, as well as lists of designated qualified persons (DQPs) licensed by USDA-certified horse industry organizations to ensure personal information is not released to the general public. A definitive diagnosis is made after a nasal swab and blood sample, are sent to a lab. Wild-type EHV-1 crops up at racetracks regularly but goes undiagnosed because no testing is done. For example, veterinarians believe an equine herpesvirus, probably transmitted by zebras, killed two polar bears in 2010 in a German zoo.


Check your horse’s temperature each morning, as most respiratory infections, especially EHM, are preceded by an elevated body temperature (38.3 degrees centigrade or more). Turfway Park will not accept horses from the training center until the disease clears. Horses and other equidae entering the premises (new horses and horses returning from events) should be quarantined from resident equidae for 4 weeks. EHV-1 is easily spread and typically has an incubation period between 2-10 days. Trainer Blane Wood took the second through fourth positions with Perceyjones, Jesse Jrs Tambien and Me Like Daddy. The treatment includes medication to bring down the fever, symptomatic treatment for the cough and conjunctivitis. Often the virus becomes inactive once the horse is infected, but the animal will remain a life-long carrier of the virus.

When a horse becomes infected with EHV-1, there is a 1-2 day incubation period before clinical signs (nasal discharge and respiratory signs) are seen and during this time, nasal shedding of the virus peaks. Officials at Turf Paradise say the track will remain open and that there is no concern for people who attend the races. But the first case of EHV-1 reported here in late December involved a horse that had the much more serious neuropathogenic strain of EHV-1. Strain said the same procedure will be followed with 65 horses that were sent in for a race day and may have been exposed in the receiving barn to a horse with the virus. The placenta should always be submitted with the fetus where possible. Horses will be monitored and have temperatures twice daily with increased biosecurity on the premises. EHV has been in the news this winter in the Southwest part of the United States, where racing has been interrupted and facilities quarantined.

Initial spread of EHV-1 by a newly introduced horse through direct and indirect contact can lead to abortion and perinatal infection in up to 70 percent of a previously unexposed herd. In many horses, fever is the only sign of EHV-1 infection, which can go undetected. Beside the postponed event, South Point began requiring owners of other horses brought to the arena to stipulate in writing that their animals weren’t at the Ogden competition. In addition to fever, other common signs of EHV-1 infection in young horses include cough, decreased appetite, depression, and a nasal discharge. In addition to fever, other common signs of EHV-1 infection in young horses include cough, decreased appetite, depression, and a nasal discharge. 9 rallied from last for fifth in a one-mile race while owned by Mario Alvarez and trained by Roy Marcom Jr. In many horses, fever is the only sign of EHV-1 infection, which can go undetected.

But six barns remain under quarantine because horses in them were exposed to the virus. “It’s important that people know that the MLV has been in use for decades, has proven to be reasonably safe, and — in my opinion — it should be the vaccine of choice, at least in non-pregnant animals,” said Klaus Osterrieder, associate professor of virology in the College of Veterinary Medicine at Cornell. An additional barn was placed under quarantine when one horse there tested positive. Veterinarians have demonstrated in past studies that the best available vaccines were somewhat effective in limiting nasal shedding, but they were only sometimes effective in preventing development of viremia.