Chow Chow. THE THREE MOST AGGRESSIVE DOG BREEDS. 1) Previous studies into ‘most dangerous dog breeds’ have been based on hospital treatment stats for dog bites. 21 dogs that have attacked the most people. The study looked at the most aggressive dogs. A recent study “Breed Differences in Canine Aggression” took data from the C-Barq. And the results for those breeds that are stereotypically considered the most aggressive dogs of all? It identified the most aggressive dog breeds based on the information. The study separated the breeds by stranger directed and dog directed aggression. The study looked at the most aggressive dogs. Over the past 13 years, one dog breed in particular in the U.S. has been responsible for the most fatal attacks on humans. 14 Dog Breeds Blacklisted by Insurance Companies Homes containing certain breeds of dogs have been declared uninsurable . Currently, the only method of measuring aggression comes from a universally recognized temperament test database from the American Temperament Test Society. Energetic and social creatures, they require at least an hour of exercise a day to flourish. If they are not cared for in a good way, they tend to get aggressive. In no way are all dogs of any breed “bad.” Many — in fact, most — small dog breeds can become aggressive due to small dog syndrome, yet we rarely hear about these breeds because they’re simply (in most cases) incapable of causing the type of damage that a German Shepherd can. Posted May 27, 2014 The most passive breeds to come out of the study were Basset Hounds, Golden … A study of dog bite data from 1982 to 2011 indicated that American Pit Bull Terriers , Rottweilers , crosses of these two breeds and Wolf Hybrids were responsible for most injuries and fatalities to humans. This East Asian dog breed is one of the most ancient still in existence. The unifying factor when it comes to aggression is training. Well Pit Bulls and Rottweilers scored average or below average in the aggression study. According to their studies, the Bearded Collie is the most aggressive dog breed. Stats which are fundamentally flawed and skewed toward larger breeds, for they are the dogs who are likely to cause more serious injuries on the rare occasions when they do bite. It identified the most aggressive dog breeds based on the information. They are also recognized as one of the least aggressive dog breeds, and are therefore well-suited for families since they get along wonderfully with children. Aggressive dogs – TOP 10. Though they are categorized as one of the most dangerous dog breeds but they are not inherently aggressive. However, there are breeds of dogs in which aggression or disobedience can easily be heard. In almost every measure, out of the 35 most common breeds, Chihuahuas were reported as the most aggressive, especially toward bigger dogs they have not seen before. Every dog breed is different. If they are not cared for in a good way, they tend to get aggressive. What Are the Most Aggressive Dogs? This breed includes American pit bull terrier, American Staffordshire terrier, Staffordshire bull terrier and they are mainly used to fight with bears and bulls. These 20 most aggressive dog breeds are not great for first time owners. Any breed of dog that is not brought up properly can become aggressive. All aggressive dogs need expert handlers. This breed includes American pit bull terrier, American Staffordshire terrier, Staffordshire bull terrier and they are mainly used to fight with bears and bulls. The study separated the breeds by stranger directed and dog directed aggression. Though they are categorized as one of the most dangerous dog breeds but they are not inherently aggressive. Due to their easy-going dispositions, they easily form bonds with people and are not typically snappy, hostile or ‘one-man dogs’; however, they don’t make good … Although statistics on aggressive dog behavior towards other dogs aren't available, the number of aggressive incidents involving dogs is likely to be much higher. by John Woestendiek of The Baltimore Sun . A recent study “Breed Differences in Canine Aggression” took data from the C-Barq. With over 60 million dogs owned as pets in the United States alone, dogs are the most popular pets in America.