what is dm in dogs
WHAT IT IS. Degenerative Myelopathy (DM) is a spontaneously occurring, adult-onset spinal cord disorder that affects dogs, and is similar to Amyotrophic Lateral Sclerosis (ALS) or Lou Gehrigâs disease in humans (1). With DM, there is. degeneration of the âwhite matterâ of the spinal cord and the peripheral nerves.