Equine Protozoal Myeloencephalitis (EPM)
Article
Triaging Acute Equine Neurologic Emergencies
One veterinarian reviewed the steps in triaging acute equine neurologic emergencies in the field.
Photo by Stephanie L. Church, Editor-in-Chief
Article
EPM-Causing Organisms Widespread in U.S. Horses (AAEP 2012)
EPM-causing organisms have a wider geographic distribution in the United States than commonly thought.
Photo by Daniel K. Howe, PhD
Article
Equine Infectious Neurologic Diseases Table Topic (AAEP 2012)
The discussion focused on four continuing problems: EHM, EPM, WNV, and other encephalitides.
Photo by Anne M. Eberhardt
Article
EPM Diagnostics
April 26, 2013
The development of a semi-quantitative assay could help improve EPM diagnostics, researchers say.... Read More
Article
Equine Neurologic Disease
April 25, 2013
The accurate diagnosis of equine neurologic disease is important for several reasons.... Read More
Article
EPM Testing, Treatment Options Reviewed
April 10, 2013
One vet reviews EPM's variable clinical signs and the current diagnostic and treatment options available.... Read More
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Infectious Disease: EPM (AAEP Convention 2012)
March 22, 2013
Learn about the organisms that cause equine protozoal myeloencephalitis and treatment options for the disease.... Read More
Article
Triaging Acute Equine Neurologic Emergencies
March 19, 2013
One veterinarian reviewed the steps in triaging acute equine neurologic emergencies in the field.... Read More
Article
EPM-Causing Organisms Widespread in U.S. Horses (AAEP 2012)
March 09, 2013
EPM-causing organisms have a wider geographic distribution in the United States than commonly thought.... Read More
Article
Lecture on Worrisome Equine Wobbling Scheduled
March 02, 2013
The presentation will cover what owners should do if they think their horse might be neurologic and more.... Read More
Article
New Ponazuril Loading Dose Examined for EPM Treatment (AAEP 2012)
February 10, 2013
Achieving therapeutic drug levels sooner using a loading dose could minimize S. neurona-caused damage.... Read More
Article
Equine Infectious Neurologic Diseases Table Topic (AAEP 2012)
January 02, 2013
The discussion focused on four continuing problems: EHM, EPM, WNV, and other encephalitides.... Read More
Article
EPM and Pregnancy
December 04, 2012
Are there anytreatments available for EPM that are safe for use in pregnant mares?... Read More
Article
EPM: Update on Diagnosis, Treatment, and Prevention
November 20, 2012
EPM is a tricky disease to definitively diagnose and treat and, thus, has been an area of much research.... Read More
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Equine Protozoal Myeloencephalitis (EPM)
November 08, 2012
Equine protozoal myeloencephalitis is the most commonly diagnosed neurologic disease in horses.... Read More
Article
New Diagnostic Assay for EPM Developed
August 23, 2012
A new EPM test uses three antigens to measure the antibody response to parasite infection in serum or CSF.... Read More
Article
UK Graduate Student Spotlight: Ablesh Gautam, BVSc&AH, MS
May 26, 2012
Gautam's research focus is on the surface antigen gene family in the parasite Sarcocystis neurona.... Read More
Article
Sarcocystis Neurona Genome Project Almost Complete
May 24, 2012
S. neurona causes the common neurologic disease equine protozoal myeloencephalitis (EPM).... Read More
Article
EPM Update
May 01, 2012
Equine protozoal myeloencephalitis (EPM) continues to pose diagnostic and treatment challenges.... Read More
Video
Case Studies in Equine Protozoal Myeloencephalitis (EPM)
April 26, 2012
Dr. Steve Reed presents case studies and videos of horses with equine protozoal myeloencephalitis (EPM).... Read More
Article
Free Webinar on EPM Case Studies, April 26
April 16, 2012
Reed will discuss his firsthand experiences with EPM through in-depth case studies on April 26.... Read More
Article
Merck Unveils Websites to Help Owners Understand EPM, WNV
February 29, 2012
To help owners stay on top of EPM and WNV, Merck Animal Health has developed two new comprehensive websites.... Read More
Article
Cervical Stabilization and S. Neurona Horse Courses Archived
January 04, 2012
The newest Horse Courses were filmed at the 2011 Advances in Equine Neurological Disease Symposium.... Read More
Video
Neurological Disease Mini Symposium: S. Neurona and EPM
December 30, 2011
An in-depth discussion of the protozoan parasite S. neurona and EPM, which it causes.... Read More
Video
Neurological Disease Mini Symposium: Cervical Stabilization
December 25, 2011
Surgical cervical stabilization for treatment of wobbler syndrome discussed, as well at post-operative rehab.... Read More
Article
Advances in Equine Neurological Disease Symposium a Success
December 16, 2011
Featured topics included equine protozoal myeloencephalitis, wobbler syndrome, and neurologic herpesvirus.... Read More
Article
Relationship between S. neurona and EPM Examined
December 14, 2011
Researchers discuss the parasite's life cycle, EPM diagnostic testing, and the S. neurona genome project.... Read More
Article
Lameness in the Racehorse Table Topic (AAEP 2011)
December 05, 2011
Attendees discussed hoof lameness, club feet, track surface's effect on lameness, back and neck pain, and EPM.... Read More
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Farm Call: Your Questions Answered
EPM and Pregnancy
Q. I know there are many treatments available for equine protozoal myeloencephalitis (EPM), but are there any that are safe for use in pregnant mares? Would sulfadiazine/pyrimethamine (Rebalance) be a safer option over either of these?
Vaccinating Horses With EPM
Q. What is your opinion on giving half-doses of routine vaccinations to horses with EPM? I've read that a half-dose of vaccine in an adult horse is worthless. My horse has already received half-doses of everything. What can I do to protect him?
Lame or EPM?
Q. About a year and a half ago, my horse was diagnosed with EPM (equine protozoal myeloencephalitis), which he was treated for, and I haven't seen any signs since. Now he's having hock issues. My veterinarian injected him with pure acid (he didn't use steroids in fear of an EPM relapse). There was excess discolored fluid in all of the joints, and one was very bloody. Because they were so bad, my
