Bullmastiffs originated in Britain in the 1800’s, as a cross between a Mastiff and a Bulldog. Their original purpose was to help gamekeepers on English estates trap poachers on their land. 
Carefully bred to be 60% Mastiff and 40% Bulldog, the Bullmastiff inherited size and courage from the Mastiff genes and agility and aggression from the Bulldog. The Bullmastiff was officially recognized by the British Kennel Club 1924 and by the American Kennel Club in 1933.
The Bullmastiff is a large dog standing between 25 and 27 inches tall and weighing between 90 and 130 pounds. Their tails are set high and thick at the base and taper to the ends. They have small ears, contributing to the overall square appearance of the head. Bullmastiffs have short, smooth coats. The most common colors are red, brindle or fawn, with a black face. Their short coat requires minimal grooming.
Most Bullmastiffs are gentle and good tempered. It is important that this dog be well trained and socialized from an early age to avoid an aggression. When used as a guard dog, Bullmastiffs are known to use their mass to hold intruders down. Aggression in a dog of this size could be very dangerous. The breed is trainable in basic commands, but should not be given complicated commands. This dog is completely fearless of other dogs or man when provoked. While a well trained, well socialized Bullmastiff is gentle and loyal, it is not an appropriate breed for a first time dog owner. The breed’s size also generally prevents him from being appropriate in a home with small children.
Although the Bullmastiff is a generally hardy breed, there are some potential medical concerns to be aware of. As with most large dogs, hip dysplasia can be a problem. Hypothyroidism, bloat, eyelid abnormalities as well as some bone ailments may also be a problem in this breed. Be sure to seek a reputable dealer who carefully screens her stock to minimize genetic issues.
