WebEquine Polysaccharide Storage Myopathy (PSSM, EPSSM) is a progressive disease of the skeletal muscles with very painful symptoms in acute cases. Type 1 PSSM and Type 2 PSSM PSSM was first thought to be a problem specific to Quarter Horses, but was soon found to affect other muscular breeds like Appaloosas, Paints, draught horse breeds ... WebIn horses with MFM, sections of a muscle cell start to produce abnormal amounts and shapes of desmin, likely as a reaction to instability of the contractile proteins. A false …
Polysaccharide Storage Myopathy (PSSM)
WebChronic episodes of muscle stiffness, soreness, and muscle atrophy with normal to modest increases in serum CK activity are common in horses with type 2 PSSM. Many cases of type 2 PSSM in Arabian and Warmblood horses have been reclassified as myofibrillar myopathy. Myofibrillar myopathy, muscle atrophy, horse Courtesy of Dr. Stephanie Valberg. magister clavus
PSSM in Horses: Types, Symptoms, Diagnosis, and …
WebApr 12, 2024 · Polysaccharide Storage Myopathy Type I, also known as PSSM (Polysaccharide Storage Syndrome), is an inherited disease that mainly occurs in Quarter and Paint Horses. It is caused by a genetic mutation that results in an excessive accumulation of glycogen in muscle cells. Symptoms of the disease include muscle … WebEquine polysaccharide storage myopathy (EPSM, PSSM, EPSSM) is a hereditary glycogen storage disease of horses that causes exertional rhabdomyolysis.It is currently known to affect the following breeds American Quarter Horses, American Paint Horses, Warmbloods, Cobs, Dales Ponies, Thoroughbreds, Arabians, New Forest ponies, and a large number of … WebMar 27, 2024 · Many horses with Type 2 PSSM share many of the clinical signs of Type 1 PSSM, have excessive glycogen in their muscles, and respond to a low starch high fat diet and regular daily exercise. PSSM2 is an umbrella term for multiple muscle diseases with similar symptoms. Until recently, PSSM2 was diagnosed by ruling out all other possibilities. cpa laboratory