According to Mankin, degenerative myelopathy is a condition that causes deterioration of the spinal cord and ultimately affects a dog's ability to use their back legs. "The exact cause is unknown ...

1). The dog could walk but displayed almost no weight-bearing on the lame left hind leg. Figure 1: A 14-month-old male beagle that displayed a sudden onset of lameness in the left hind limb.

It causes nerve issues, which can be minor or severe. This condition is most common in dogs with longer backs and short legs.