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What Is EPM In Horses?

By Marcie Goodman


Equine protozoal myeloencephalitis or EPM in horses is a neurological disease that is caused by a small parasite. The parasite is carried by opossums. Equine are exposed to the disease if they eat feed or drink water which has been contaminated by feces from opossums.

The disease symptoms vary greatly. These depend on the part of the nervous system which has been attacked. The protozoa could cause the equine to be left with lesions on the spinal cord and the brain stem. This disease is most prevalent during the summer and the fall months, with the fall being the time it is found most. The symptoms are quite slow in developing and could be present many days after infection has occurred.

It is quite difficult to diagnose EPM in horses as the symptoms are similar to several other neurological diseases. The symptoms vary from one horse to another and may include muscle atrophy and weakness. The animal may have difficulty in swallowing. The horse may experience a sore back, weakness and lack of co-ordination.

In mild cases of the disease, the horse may present with mild stumbling and lameness. If the disease is not treated timorously, the equine will ultimately be unable to swallow or stand up of its own accord. Once it reaches this point of severity, the horse may die. The horse may also suffer from a tilted head and drooping eyelids. The disease is experienced by horses of any age, breed or sex. Younger equine are at higher risk, as are those that are transported on a frequent basis.

To try and prevent the disease in stables, you should make the area unattractive to opossums, since they carry the organism which is the cause of the disease. Opossums are not choosy about what they eat. They eat almost anything, including cat and dog food, horse feed and dead animals.

To prevent these animals from invading your property, you should make sure that all food stores are secured. If there are dead animal carcasses on your property, you should make sure that these are buried as soon after death as possible. Food that has been spilled should be cleaned up immediately. If your property is at risk of opossums and you suspect that they are around, you should attempt to trap them in a humane way and remove them accordingly. You can choose to fence your property with specially designed fencing to keep opossums out. This is a good option if they have become a nuisance to your other animals.

This is a dangerous disease and horses that show signs of it should be examined by a veterinary specialist as soon as possible. A quick diagnosis and proper veterinary care will allow the horse to recover from the disease. The infection may leave the animal with permanent damage. The vet will normally examine the movement and gait of the equine. It is vital that spinal fluid and blood tests are undertaken to rule out diseases such as viral encephalitis and West Nile virus.

Different types of drugs will be used during treatment for EPM in horses. This will include anti-microbial, anti-protozoal and anti-inflammatory drugs. The treatment process for the disease is a lengthy and fairly expensive one. Unfortunately, the available treatment options are not always a success.




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Ditulis oleh: Unknown - Tuesday, March 4, 2014

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