Origin and brief history

The Bullmastiff is a large breed that was bred for guarding. They originated in the 19th century by games keepers who used them to guard estates. The Bullmastiff has been coined the Gamekeeper’s night dog. The bullmastiff has characteristics from Molosser dog; however they have bloodlines from the Old English Bulldog and the English Mastiff.  They became recognize in 1924 by the English Kennel Club.


The Bullmastiff is a powerful and very strong breed. Some Bullmastiffs can be very active while some are more laid back and would rather spend the day inside with the family. It is very important to train and socialize the Bullmastiff, while they are very sensitive, they are guardians and will act as one if they feel endangered.  The Bullmastiff rarely barks, but when they do, it is of alarm.  Bullmastiffs tire easily of repetitive tasks, so they will need to have their minds challenged. If a Bullmastiff is active, it will enjoy sports like tracking and agility.


Grooming of the Bullmastiff is minimal. The coat is short and flat to the body so brushing is only required as needed. They should receive baths as needed and should have their claws trimmed monthly. The Bullmastiff does drool and will need to be cleaned around the mouth; however teeth and ears should be cleaned as needed. It is a good idea to check them regularly for small wounds and abrasions on the paw pads, especially if they are active.

Specification of breed

The Bullmastiff is a large breed, with a powerful and intimidating build. The Bullmastiff male is between 25in (64cm) and 28in (71cm) and weigh between 110 lbs. (50kg) and 130 lbs. (59kg.) The female bullmastiff is between 24in (61cm) and 26in (66cm) and weight between 100lbs. (45kg) and 120lbs. (54kg.) The coat of the bullmastiff may appear has a brindle, red, or fawn color.


Buyer Beware

The Bullmastiff is a large dog and will take up a lot of space. It is important to have a large yard and house for this type of dog. The Bullmastiff will drool, if this is something that can be bothersome, this is not the right dog. If they are not kept entertained they can become destructive. These dogs need to have their minds and bodies challenged on a regular basis, so time is needed.  These dogs can also be strong willed and will require consistent training by an assertive owner. Early and constant socialization is also important. The Bullmastiff will guard the home, but needs to be socialized as to not become aggressive or fearful.
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