Knowledge Base

PSSM1 (Polysaccharide Storage Myopathy)

PSSM1 - Polysaccharide Storage Myopathy Polysaccharide Storage Myopathy (PSSM) is a group of muscle disorders found in various horse breeds, particularly in Quarter Horses, Draft breeds, and Warmbloods. This condition leads to abnormal storage of glycogen (sugar) in the muscles, causing muscle pain, stiffness, and, in severe cases, muscle atrophy....

Dwarfism ACAN D1, D2, D3*, D4 and D5

Dwarfism ACAN D1, D2, D3*, D4 and D5 Miniature horses with chondrodysplastic dwarfism (ACAN dwarfism) are significantly shorter than expected for their age. They typically exhibit disproportionately short limbs and necks, bowed forelegs, a compressed face with bulging eyes, a pronounced underbite, a cleft palate, a protruding tongue, and abdominal...