Does breeding impact a dog’s behavior?
Over the years, domestic dogs have been bred to showcase certain appearances. Through this process of selective breeding, a variety of breeds —from the tiny Chihuahua to the towering Great Dane — have been created. According to a recent study, selective breeding of domestic dogs not only alters the way a dog physically looks but also drives major internal changes in canine brain structure. Scientists from the University of New South Wales and the University of Sydney conducted a one-of-a-kind study, which revealed that in the process of breeding domestic dogs, the position of the canine skull has shifted as