The Bull Terrier is a breed of dog in the terrier family. Early in the mid-19th century the “Bull and Terrier” breeds were developed to satisfy the needs for vermin control and animal-based blood sports. The “Bull and Terriers” were based on the Old English Bulldog and one or more of Old English Terrier (now extinct) and “Black and tan terrier”, now known as Manchester Terrier.
Bull Terriers can be both independent and stubborn and for this reason are not considered suitable for an inexperienced dog owner. They are protective of their family, although comprehensive socialization when they are puppies will prevent them from becoming over-protective and neurotic. They have a strong prey instinct and may injure or kill other animals, especially cats. However, puppies brought up with cats and other animals get on well with the animals they know. Early socialization will ensure that the dogs will get along with other dogs and animals.
Between 45–55 cm / between 22–38 kg .
White, brindle and white, fawn, and black and white.
(Source: Wikipédia & The Ultimate Dogs, Dog Breeds & Dog Care by Dr Peter Larkin & Mike Stockman, August 2015)