Get An EPSM Diagnosis

…but has normal muscle enzymes, the odds of it being EPSM are relatively small. Before assuming it’s EPSM and making major diet changes, have your horse biopsied to make sure….

Groundbreaking Test For EPSM

…a genetic test for equine polysaccharide storage myopathy (PSSM/EPSM). They have uncovered a genetic mutation that accounts for over 90% of cases of PPSM/EPSM across all breeds. The mutation involves…

Ask Horse Journal: 01/99

…of the defect and the benefits of altered diet and exercise regimens for EPSM horses, they disagree sharply on certain details. Valberg thinks Valentine’s broader definition of EPSM, which in…

Muscular Problems Have Varied Causes

…or obvious muscle problems tend to get blamed on EPSM automatically, but only slightly higher than 50% of these horses actually had EPSM. It also shows that muscle problems can’t…

Tying-Up Syndrome

…even on their days off. If your horse ties up repeatedly, have him evaluated by your veterinarian for RER or EPSM. Carefully monitor exercise and diet for horses with recurrent…

Ask Horse Journal: 10/07

…I have a nine-year-old Percheron gelding. I’ve been feeding him the EPSM diet, assuming this is what he has had the past several years. I recently had him tested for…

Glossary of Equine Terms – S

…muscles in the upper leg. Thought to be caused by EPSM. Shoe, To: The act of fitting and securing metal shoes to the horse’s feet, usually done by a farrier….

Glossary of Equine Terms – E

…by a protozoa which invades the spinal cord, causing a variety of symptoms attributed to nerve damage – stumbling, loss of coordination, muscle atrophy, etc. EPSM: Equine Polysaccharide Storage Myopathy….