ADDITIONAL DNA TESTS The MHR offers additional tests to determine both coat color and genetic disorders carried by Friesians and Morgans. Genetic testing is an essential tool for responsible breeding. It provides valuable insights that help improve the health, quality, and marketability of horses while ensuring ethical breeding practices. Morgan Polysaccharide Storage Myopathy

PSSM1 is a glycogen storage disease that results in the accumulati of abnormal complex sugars in muscle cells, which can lead to muscle pain, weakness, and reluctance to move.

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