#4 But the real monsters, who killed seven times out of ten, were half-breeds from Bull Terrier and Rottweiler.
#5 Despite their formidable appearance, bull terriers are more likely to get sick than other dogs.
Among them, hereditary nephritis is developed, caused by small and poorly developed kidneys. As a result, the level of protein in the urine rises sharply, which leads to the death of animals within three years.