German shepherds are one of America’s favorite big dogs, coming in fourth place behind Labradors and Golden retrievers, according to the American Kennel Club. The loyal, brainy and courageous breed is ...

Q: Gretchen, our 9-year-old German shepherd, recently developed hind leg weakness. Her veterinarian recommends testing for degenerative myelopathy. Many years ago, another of our shepherds had ...