Equine Protozoal Myeloencephalitis (EPM)


Twelve Years of EPM Research: Are We Any Smarter?

“I think every time we find out something about EPM (equine protozoal myeloencephalitis), it turns up more questions,” said Bill Saville, DVM, PhD, Dipl. ACVIM, an associate professor in the Department of Veterinary Preventive Medicine at The

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EPM: Still an Enigma or Under Control?

Dynamic discussions about future equine protozoal myeloencephalitis (EPM) diagnostic methods and current EPM treatments were sparked at a June 11 meeting of the Equine Protozoal Myeloencephalitis Society (EPMS) in Minneapolis, Minn. The event,

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More on the New EPM Treatment

(Revised 12/5/03) Horse owners have a new option for treating equine protozoal myeloencephalitis (EPM) following the Nov. 19 U.S. Food and Drug Administration’s (FDA) approval of nitazoxanide. This medication has been under development

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AAEP Convention 2001: Veterinary Forums

The day before the scientific sessions started during the AAEP Convention, there was a series of forums and committee meetings. These were moderated by selected experts in those fields, and were open to anyone for a majority of the time. The las

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Sea Otter an EPM Intermediate Host

Researchers recently identified the sea otter as a natural intermediate host for Sarcocystis neurona, the one-celled protozoan parasite that causes equine protozoal Myeloencephalitis (EPM). Muscle from a naturally-infected sea otter use

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EPM Treatments, Vaccine

Horse owners worried about equine protozoal myeloencephalitis (EPM) take note: In the next few months, there could be several new products reaching the market designed to treat or prevent this neurological disease caused by a single-celled

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EPM Vaccine

On Dec. 18, 2000, a vaccine to prevent EPM was approved by the USDA. As of Jan. 25, a total of 43 states had approved the use of the EPM vaccine under USDA conditional licensure. The vaccine must be used under the supervision of a

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FDA Approves First EPM Treatment

The Food and Drug Administration (FDA) has approved the first drug to treat equine protozoal myeloencephalitis (EPM) in horses. Bayer Animal Health of Shawnee Mission, Kan., is the sponsor of the drug ponazuril, which will have the trade name

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EPM Treatment Research

More than 50 years ago, horses at The Jockey Club in San Paulo, Brazil, were suffering from a neurologic disease that caused muscle wasting. In 1964, that same disease was seen in North America. Robert MacKay, BVSc, PhD, Dipl. ACVIM, of the

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Skunk Revealed as an EPM Intermediate Host

Researchers have discovered that the striped skunk can serve as an intermediate host in the laboratory for Sarcocystis neurona, the single-celled protozoan parasite that causes equine protozoal myeloencephalitis (EPM). The striped skunk’s

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EPM: Hope At Last

It seems to work! Because of research on new drug treatments for equine protozoal myeloencephalitis (EPM), horse owners might soon be able to kill the parasite that they now only can control effectively about 60% of the time. Preliminary researc

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Studies on Vitamin E

Researchers at Oregon State University and elsewhere are continuing to examine the role of vitamin E in horse health, including disease prevention and therapy. In particular, vitamin E deficiencies and/or supplementation could be important

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Researchers Declare War On EPM

According to a number of researchers across the country, anything less than an all-out scientific assault on several fronts will not result in a victory in the battle to conquer equine protozoal myeloencephalitis (EPM). Veterinary schools, equin

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EPM Vaccine Argument

When there is a new drug or vaccine going through the approval process with FDA or USDA, there are certain criteria that have to be met. We discuss this in-depth in our article that begins on page 37. The

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