I need help. I have a four-month-old male Cocker Spaniel who insists on biting and nipping. I’ve tried everything and have been telling him “no biting,” and “leave it.” He went to puppy school where ...

Is there such a thing as breed-specific aggression that only affects Cockers? You might think so when you hear the term “Cocker rage.” PETBOOK asked a dog trainer about it. “Don’t buy a Cocker Spaniel ...