it is all about how the dog is raised and treated, and that any and all aggressive behaviors are the result of improper rearing and handling of the dog (https://pethelpful.com/dogs/The-Pit-Bull-Dog-Once-Knows-as-the-Nanny-Dog-What-Happened). Even...
Figure 1. (a) French Bulldog conforming to the breed standard; (b) hypertype of French Bulldog. Illustrations reproduced with the permission of Royal Canin®. (Supplementary Materials). Changes in the head shape of Cavalier King Charles Spaniels have also occurred since the early 20th centu...