Group: Working Dog Group
Origin: Great Britain
– Males: 25-27 in (63-69 cm).
– Females: 24-26 in (61-66 cm).
- – Males: 110-130 lbs (50-59 kg).
– Females: 100-120 lbs (45-55 kg). Females are feminine in appearance, of somewhat lighter bone structure than the male, but should still convey strength.
The Bullmastiff comes from a cross between the Bulldog and the Mastiff. Developed for the pupose of having a dog who could guard like a Mastiff, have the courage of a Bulldog, and be faster and more agile than the Mastiff. He was mostly used by gamekeepers in Britain to warn them of the presence of poachers and help them in a fight. Known as the “gamekeeper’s nightdog”, he was a silent, agile dog that could attack on command, knock down a man and hold him without mauling or biting. He has also been used as a police and army dog and as a guard dog by diamond companies in South Africa.
The Bullmastiff has an aristocratic, attentive and intelligent appearance. Powerful, active, alert, fearless and courageous, he is however, docile and laid back with those he knows. The Bullmastiff is extremely devoted, loyal, and affectionate to his family. Today, the breed is primarily a companion dog who is an excellent guard dog. With his natural guarding abilities and a somewhat stubborn nature, the Bullmastiff is not for everyone and early socialization and training is very important for this breed.
The number one killer of Bullmastiffs, along with many other breeds, is cancer. Some of the most common health concerns found in this breed are:
- Joint problems including Hip Dysplasia; Osteochondrosis Dissecans (OCD); and Panosteitis (Pano)
- Immune system dysfunction
- Lazy whelpers & difficulty with breeding
- Cancer and heart conditions
- Eye problems (i.e. entropion, ectropion, PRA)
- Bloat/gastric torsion
If you are considering the adoption of a Bullmastiff puppy, or any breed, it is very important to be selective in choosing a responsible and reputable breeder. Ensure that the prospective puppy’s parents have all health clearances. Breeding of any dog should not be done until after they have been proven to be free of evidence of significant hereditary diseases. (For more information on selecting a breeder, see the articles on the General Information page.)
Recommended Health Screening:
For the Bullmastiff, the CHICNote 1 database includes health screenings for:
- Hip Dysplasia
- Elbow Dysplasia
- Eye Examination by a board Ophthalmologist
- Congenital Cardiac Database
- Autoimmune Thyroiditis
- Also listed as “optional” are: Progressive Retinal Atrophy (PRA) DNA Test; and Kidney Disease
Additional Health Resources:
- First Aid for Bloat Prepared by: Siefried Zahn D.V.M — This article uses a Great Dane as an example, however, it can be applied to other breeds. — Additional informaton on Bloat or Gastric Torsion in dogs is available in the Health and Nutrition section of Canada’s Guide to Dogs. Please note, that this condition is an emergency, requiring immediate veterinary action. The condition is most often found in large, deep chested dog breeds and anyone owning a deep chested breed should be prepared to handle the emergency procedures necessary, including having readily available the name and phone number of emergency clinics and/or after-hours Veterinarians.
- Canine Inherited Disorders Database – Bullmastiff
- Health and Nutrition — Growing section of the Canada’s Guide to Dogs website which includes information on several health and nutrition related issues.
- Canine Health Information Center (CHIC) — Providing a source of health information for owners, breeders, and scientists that will assist in breeding healthy dogs. CHIC is a centralized canine health database jointly sponsored by the AKC/Canine Health Foundation (AKC/CHF) and the Orthopedic Foundation for Animals (OFA).
- AKC Canine Health Foundation — Working towards developing scientific advances in canine health.
- OFA – Companion Animal Eye Registry (CAER)
- Orthopedic Foundation for Animals (OFA)
- Ontario Veterinary College (OVC)
- University of Pennsylvania Hip Improvement Program (PennHip)
- HealthGene — HealthGene Corporation is the leading provider of veterinary DNA diagnostic services in Canada.
- Labgenvet — Laboratory of Veterinary Genetics is a Canadian diagnostic laboratory that offers a comprehensive service of DNA tests for veterinary genetic diseases.
- Grooming — This section of the Canada’s Guide to Dogs website includes tips, articles and information covering all aspects of dog grooming along with a listing of Groomers from across Canada.
- Training — For training information, see this growing section of the Canada’s Guide to Dogs website for tips, articles, as well as listings of training centres across Canada.
- Bullmastiffs — What the Prudent Buyer Should Know
- Bullmastiff Advisory
- Clubs, Sports & Activities — For information on the many sports and activities you can get involved in with your dog.
- Working Dogs — The Working Dogs section of the Canada’s Guide to Dogs website provides information and listings of organizations that are involved in various dog jobs, such as Guide Dogs, Therapy Dogs, Police Dogs, Protection Dogs, and much more.
*NOTE 1: CHIC – The Canine Health Information Center “is a database of consolidated health screening results from multiple sources. Co-sponsored by the Orthopedic Foundation for Animals (OFA) and the American Kennel Club (AKC) Canine Health Foundation, CHIC works with parent clubs to identify health screening protocols appropriate for individual breeds. Dogs tested in accordance with the parent club established requirements, that have their results registered and made available in the public domain are issued CHIC numbers.” To learn more, visit: www.caninehealthinfo.org
*NOTE 2: The Fédération Cynologique International (FCI) is the World Canine Organization, which includes 91 members and contract partners (one member per country) that each issue their own pedigrees and train their own judges. The FCI recognizes 344 breeds, with each being the “property” of a specific country. The “owner” countries write the standards of these breeds in co-operation with the Standards and Scientific Commissions of the FCI, and the translation and updating are carried out by the FCI. The FCI is not a breed registry nor does it issue pedigrees.