Doubull-Mastiff History
The Doubull-Mastiff is a hybrid, or designer, cross between the Bulldog and the Mastiff. The Doubull-Mastiff is a cross between the Bulldog and the Mastiff. The Doubull-Mastiff is relatively new, having been developed in the 2000s.
Doubull-Mastiff Physical Characteristics
The Doubull is a physically large, medium-to-large, powerful, stocky, muscular, robust, heavy-boned, and well-proportioned working breed of dogs. The breed has a characteristic “V” shape. The head is 60% of the total length of the body, with slightly rounded cheeks and a strong, high, broad skull. The muzzle is broad, and set on squarely between the eyes. The jaws are strong, with 42 teeth (including four canine teeth). The nose is black. The ears are cropped, triangular in shape, and stand erect. The neck is of moderate length. The forechest is deep, but narrow. The shoulders are sloping. The body is slightly longer than tall, with a “barrel” shaped rib cage. The hindquarters are strong, with well-developed muscles. The tail is set on moderately high and is carried level with the topline. The feet are round and compact, with arched toes and strong, flexible pads. The nails are dark in color and thick, and dewclaws are often removed. Overall, the conformation of the breed is massive and imposing, with clearly defined masculine traits. The breed is distinguished for its exceptional strength, agility, and endurance, and for its ease of training. The temperament of the breed is one of intelligence, dignity, self-confidence, natural obedience, and loyalty. The vigor and endurance
Eye Colors
Brown
Nose Colors
Black
Coat Colors
Fawn, Brindle
Height Range
Male Height Range: 27 – 36 inches
Female Height Range: 27 – 36 inches
Weight Range
Male Weight Range: 130 – 200 lbs
Female Weight Range: 130 – 200 lbs
Doubull-Mastiff Health
Description of breed health.
Lifespan
8-12 yrs
Doubull-Mastiff Health Concerns
Entropion, Elbow Dysplasia, Retinal Dysplasia, Hip Dysplasia, Bloat, Ataxia, Ectropion, Progressive Retinal Atrophy, Cataracts, Retinal Dysplasia
Doubull-Mastiff Temperament and Behaviour
The Doulbul-Mastiff is a large, muscular and agile breed of a dog. They are very intelligent and they love to learn. They require lots of exercise, and are athletic and hard-working. The Doulbul-Mastiff is a protective and loyal breed, but they are not always comfortable with strangers. They are loyal to their family, but can be a little territorial.
Doubull-Mastiff Activity Requirements
The Dobie is a cross between a Mastiff and an American Pit Bull Terrier. They are typically large and powerful, with many different coat colors. Dobies are one of the largest breeds, so they need plenty of exercise and space. They need about an hour of vigorous play every day, as well as regular walks. Dobies also need a comfortable place where they can hang out and relax. Dobies require lots of training, both to teach them proper behavior and to ensure that they are friendly toward other people and animals. Dobies are loyal, protective, and courageous, but they can be aggressive if not trained properly. Dobies can be wonderful pets, but they do require a lot of work. If you are not prepared to be a responsible dog owner, a Dobie is probably not the right dog for you.
Miles Per Day
7 miles
Activity Per Day
30 minutes
Daily Food
4 cups
Kennel Club Recognition

American Kennel Club
Not Recognized
Doubull-Mastiff is part of the Unclassified group.
Visit the American Kennel Club website.

The Kennel Club
Not Recognized
Doubull-Mastiff is part of the Unclassified group.
Visit the Kennel Club website.

Australian National Kennel Council
Not Recognized
Doubull-Mastiff is part of the Unclassified group.
Visit the Australian National Kennel Council website.

Canadian Kennel Club
Not Recognized
Doubull-Mastiff is part of the Unclassified group.
Visit the Canadian Kennel Club website.