Bullmastiffs originated from England. They are a combination of 60% Mastiff and 40% Bulldog.
The AKC standard height and weight for the Bullmasitff's.
Dogs, 25 to 27 inches at the withers, and 110 to 130 pounds weight.
Bitches, 24 to 26 inches at the withers, and 100 to 120 pounds weight.
