Equine Protozoal Myeloencephalitis (EPM)

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More on the New EPM Treatment

December 03, 2003

(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... Read More

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FDA Approves New EPM Treatment

November 20, 2003

IDEXX Laboratories, Inc. announced Nov. 19 that it received approval from the U.S. Food and Drug Administration (FDA) to market and sell Navigator (32% nitazoxanide) antiprotozoal oral paste, a new treatment for equine protozoal myeloencephaliti... Read More

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Folic Acid Supplementation

November 01, 2003

Sulphadiazine and pyrimethamine are used in combination to treat equine protozoal myeloencephalitis (EPM). These drugs interfere with folic acid (folate) metabolism, a vitamin essential for survival of the causative protozoon Sarcocystis... Read More

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Dealing With EPM Today

September 01, 2003

While West Nile virus continues to dominate headlines when it comes to equine health, researchers are working to unlock the mysteries of that other, not-quite-so-new disease--equine protozoal myeloencephalitis (EPM). High on the list is... Read More

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The Latest on EPM Research

September 01, 2003

The annual American Association of Veterinary Parasitologists met July 19-22 with presentations on many equine-related topics. The EPM Society held a roundtable during that meeting after presentations from top EPM (equine protozoal... Read More

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The Latest on EPM

July 23, 2003

Is it possible that the horse is a natural intermediate host in the life cycle of the parasite that causes equine protozoal myeloencephalitis (EPM), meaning the parasite can develop to a reproductive state in the horse? Are there other parasites... Read More

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EPM Testing in Foals

July 01, 2003

Diagnosis of equine protozoal myeloencephalitis (EPM) involves a technique called Western blotting (WB), which identifies antibodies against Sarcocystis neurona, the parasite responsible for the disease. A positive result on WB does not... Read More

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Preventing EPM

March 01, 2003

Saville presented a summary of what is known about EPM, and he believes that with better understanding of the disease, wildlife management, risk-factor manipulation, prophylactic medications, and possible vaccination, that prevention of EPM can be at... Read More

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AAEP Convention: Reproduction

March 01, 2003

The reproduction session was something of an A to Z seminar. It started with discussions on endometrial echotexture (ultrasound results) and using computer analysis to determine when a mare will ovulate, or has ovulated, and along the way... Read More

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AAEP 2002: Reproduction

February 04, 2003

The reproduction session at the annual AAEP meeting in Orlando, Fla., was something of an A to Z seminar with an international flavor. It started with speakers from North America presenting discussions on endometrial echotexture (ultrasound... Read More

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AAEP 2002: Kester News Hour

February 03, 2003

Probably the best-attended session of the American Association of Equine Practitioners (AAEP) annual convention, the Kester News Hour provides brief reports of studies that were too new or too brief to be included in the longer scientific... Read More

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AAEP 2002: Prevention of EPM

January 14, 2003

 “Why should we be concerned about EPM (equine protozoal myeloencephalitis)?” asked William J.A. Saville, DVM, Dipl. ACVIM, PhD, of The Ohio State University (OSU) at the 2002 American Association of Equine Practitioners (AAEP) convention.... Read More

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EPM Medication Q&A

May 01, 2002

My horse was diagnosed with EPM last year. We tried Baycox for one month--no change. Since then, he has been on a daily dosage of sulfadiazine/pyrimethamine combination (SDZ/PYR) for approximately nine months. Would it be advisable to give... Read More

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AAEP Convention 2001: Veterinary Forums

February 01, 2002

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... Read More

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Sea Otter an EPM Intermediate Host

January 24, 2002

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... Read More

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S. neurona antibody prevalence in horses at Morehead State

January 09, 2002

From Equine Disease Quarterly, Funded by Underwriters at Lloyd's, London, Brokers, and Their Kentucky Agents, Read More

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Raccoon Another EPM Natural Intermediate Host

November 14, 2001

Researchers at the USDA and The Ohio State University (OSU) have found that the raccoon can serve as an intermediate host for Sarcocystis neurona, the single-celled protozoan parasite that causes the neurological disease equine protozoal... Read More

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EPM Vaccine

November 02, 2001

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... Read More

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EPM Treatments, Vaccine

November 02, 2001

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... Read More

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FDA Approves First EPM Treatment

November 01, 2001

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... Read More

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Skunk Revealed as an EPM Intermediate Host

November 01, 2001

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... Read More

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EPM Treatment Research

November 01, 2001

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... Read More

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EPM: Hope At Last

October 10, 2001

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... Read More

Article

Studies on Vitamin E

October 09, 2001

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... Read More

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Researchers Declare War On EPM

September 17, 2001

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... Read More