New Research on PSSM Prevalence, Heritability in Progress

Researchers with the University of Minnesota have identified polysaccharide storage myopathy (PSSM) in 6-12% of overtly healthy Quarter Horses on six farms involved in a new study. They also said the disease could be more common within certain breeding populations.

The study, published in the Sept. 1 edition of the Journal of the American Veterinary Medical Association, explores

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