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Vaccination against diseases is the first consideration before taking horses on the road. The American Association of Equine Practitioners (AAEP) recommends vaccinating horses against five core diseases, including mosquito-borne diseases like West Nile Virus, and Western and Eastern Equine Encephalitis, as well as rabies and tetanus. On top of these vaccines, horses need to be vaccinated for equine influenza virus and equine herpes virus within six months of attending a United States Equestrian Federation (USEF)-sanctioned horse show. For a complete list of USEF-required vaccines, click here.
“It is paramount that we have our horses vaccinated for equine influenza and equine herpes as both can be the cause of acute respiratory disease, especially in horses that experience the stress of travel and showing” Dr. Shoemaker says. “For a traveling horse under high stress, your veterinarian may recommend modifying vaccination protocols to include increased frequency of vaccination for equine herpes.”
Because the equine influenza virus changes over time just like the human influenza virus, using an updated vaccine that provides direct protection will compliment your respiratory vaccination protocol. Vaccination against other non-core diseases, such as strangles or equine rhinitis should be discussed with your veterinarian and considered following a risk-based analysis.
A baseline temperature should be taken and recorded for each horse before leaving for the show, and temperatures should be monitored daily while at the show as a sudden spike can be one of the first signs of a problem.
Biosecurity at the Showgrounds
Horse owners should be vigilant when arriving to help protect horses from exposure to diseases, which are easily spread from horse to horse and from equipment/facilities to horses. The following steps will help provide maximum protection:
Clean and Disinfect Stalls
Even before unloading horses, stalls should be inspected for any remaining bedding or fecal matter, which should be removed and disposed of as far away as possible. Wash down the walls with a good detergent or cleaning agent, then spray with a disinfectant, such as a 1:10 dilution of bleach and water. Other good disinfectants are available; consult a veterinarian for which ones would be appropriate.
Avoid Contaminated Water
Bring all water buckets from home and do not allow your horse to drink from any containers provided by the showgrounds, including communal water tanks. Do not allow your hose to touch the water or bucket when filling.
Prevent Nose-to-Nose Contact
“These diseases are spread three ways,” notes Dr. Shoemaker. The primary route is horse-to-horse or nose-to-nose contact. For instance, “In the practice ring, don’t tie your horse to the fence where there is potential for contact with other horses walking by.”
Use Only Your Own Equipment
The second route of infection is through fomites, or objects that are capable of transmitting infectious organisms. If you have multiple horses, be sure each one has its own set of equipment, including a water bucket, that is used exclusively for that individual. “It’s less of an issue among horses from the same barn, but it’s one other variable,” Dr. Shoemaker notes. “If one horse gets sick, and equipment goes back and forth, you could be spreading the disease before you even realize it.”
Practice Good Hand Hygiene
The third route of infection is human hands. “People are often the culprit in spreading diseases and this goes for veterinarians as well as horse owners and managers.” When moving from horse to horse, wash hands between contact. “I recommend a lot of hand sanitizer,” Dr. Shoemaker says.
Monitor Health and Behavior
Take the horse’s temperature twice a day – in the morning and evening, and keep a log of those temperatures. A spike in temperature may be the first way to identify a potential problem. Segregate that individual and consult a veterinarian to develop a protocol to limit exposure to other horses. Also look for other signs, such as being off feed, displaying a quiet attitude, or developing a cough, runny nose or watery eyes.
Management at Home
Returning to the barn with an armful of ribbons and strong, healthy horses is the ultimate sign of success. But your show string still represents a potential threat to other horses at home. “When you bring horses home from shows where they have potentially been exposed to disease risks it is wise to have a protocol in place to put them in a location where they’re not coming into contact with horses that did not go to that show,” Dr. Shoemaker suggests. “You don’t have to build a new barn, but perhaps use just one section of the barn or turn them out in runs – use whatever facilities you have.”
Proper vaccination and precise management before leaving home, limited exposure to other horses and equipment and careful monitoring of temperatures while at a show, and isolation for two weeks before returning to the general population after returning – these are all strategies for protecting your horses from infectious diseases, and keeping them healthy and ready for the next challenge.
About Boehringer Ingelheim Animal Health
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