Play is a very important part of dogs’ daily activity. It provides physical exercise and essential social interaction with both owners and other dogs. Daily exercise is crucial if you are to get the most out of the relationship with your dog.
Your dog goes to dog daycare weekly and has a grand time. He plays well with other dogs, and the staff love him. Every now and then your friends come over with their dogs and your dog has a blast playing with his buddies. Attach your dog to a lead, however, and he becomes a lunatic when he sees other dogs. He lunges and barks at other dogs. The hair on his back goes up, he growls, and acts like he wants to attack the other dog. What is this?