"I have a Corgi / Mini Aussie mix. He is about 5 months old. For the most part, he is a good puppy, but at least once a day, he becomes violent and aggressive with his biting. I do not want to get rid ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Baring teeth, growling and lunging are all signs of aggression in dogs. The ...