Since age at onset of disease varies among breeds, you should read specific information for your dog. (optigen.com)
Dogs and Cats age much more quickly than humans and the gradual onset of disease in seemingly healthy pets often goes unnoticed. (lougheed.vet)
The motor problems consist of muscle weakness and paralysis, which is progressive and is usually fatal within 3 to 5 years after onset of the disease. (sciencedaily.com)