Appearance
Size
Males should be 25 to 27 inches (64 to 69 cm) alpine (AKC Std.) at the withers and 110 to 130 pounds (50 to 59 kg). Females should be 24 to 26 inches (61 to 66 cm) at the withers, and 100 to 120 pounds (45 to 54 kg). Exceeding these ambit is beat by breeders.
Color
A bullmastiff's covering may arise in fawn, red, or brindle. These are the alone adequate colors in the AKC standard. The abase can ambit from a actual ablaze amber to a brownish brown. Red can ambit from a ablaze red-fawn to a aphotic affluent red. Brindles are a striped bury of the abase or red. A Bullmastiff should accept no white markings, except for on the chest area a little white is allowed. See brand accepted beneath alien links for added details;}.
Health
A UK analysis puts the average lifespan of the Bullmastiff at 7 to 8 years old. A Bullmastiff will not stop growing until it is about three and a bisected years of age. Bullmastiffs are decumbent to assertive ancestral diseases including:
Hip dysplasia, affecting 24.5% of individuals
Elbow dysplasia, affecting 13.8% of individuals
Entropion
Hypothyroidism affecting 2.8% of individuals
Lymphoma cancer
Progressive retinal atrophy, a accurate botheration back the affection is an autosomal ascendant one.
Arthritis
Bloat
Cosmetic abiogenetic problems cover longhairs and "Dudleys". Both are recessives and not common. The Dudley, called afterwards a notable Bulldog agriculturalist of the 19th century, the Earl of Dudley, is a abridgement of colorant in the mask. It can be alarmist black or artlessly not present.
American Bull Mastiff Pictures