Dog Aggression and the Jack Russell Terrier
Colleen´s Jack Russell Terrier, ¨Fargo¨ is growling and biting… and showing generalized dog aggression… predominantly because she´s not providing her dog with sufficient leadership. Here´s what we recommend: [Colleen writes:] Dear Adam: I have loved your book mostly because it has corrected many of the problems I was having with my Jack Russell Terrier. My biggest …