The Bullmastiff is an English breed of dog of mastiff type and large size, with a solid build and a short muzzle. It was developed as a guard dog in the nineteenth century by cross-breeding the English Mastiff with the now-extinct Old English Bulldog. It was recognised as a breed by The Kennel Club in 1924.
The Bullmastiff was developed in rural England primarily as a guard dog for large estates.
The Bullmastiff is a large and powerful breed originally developed to guard estates in England. Known for its loyalty and protective nature, it makes an excellent guard dog but can also be a gentle family companion. With its origins tracing back to the 19th century, the Bullmastiff is a cross between the English Mastiff and the now-extinct Old English Bulldog. It was officially recognized as a breed by The Kennel Club in 1924.
A male, fawn Bullmastiff
Puppy
Young Bullmastiff male standing in the snow
Brindle Bullmastiff
Trainability
Responsiveness to training: —/5