BREED DESCRIPTION & INFORMATION
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Breed Registries:
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Note: The breed registries indicated above are the most recognized all-breed registries. The breed may also be recognized by other registries not indicated here. For further details about dog registries, please see the document: Dog Breed Registries in North America.
* The FCI is the World Canine Organization, which includes 84 members and contract partners (one member per country) that each issue their own pedigrees and train their own judges. The FCI recognizes 339 breeds, with each being the "property" of a specific country. The "owner" countries of the breeds 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.
Origin:
Great Britain
Height:
Males 25-27 in (63-69 cm) at the highest point of the withers
Females 24-26 in (61-66 cm) at the highest point of the withers
Weight:
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.
Breed Profile:
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.
Health Issues
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:
- Hyperthyroidism
- Joint problems including Hip Dysplasia; Osteochondrosis Dissecans (OCD); and Panosteitis (Pano)
- Allergies
- 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 main Breed Listing and Breeders page.)
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.
- Canine Eye Registration Foundation (CERF)
- 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.
Breed Standards
- CKC Breed Standard
- AKC Breed Standard
- UKC Breed Standard
- The Kennel Club (U.K.) Breed Standard
- FCI Breed Standard No. 157/24.06.1987/GB
Grooming Information
- 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 Resources
- 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.
Additional Information
- Bullmastiffs What the Prudent Buyer Should Know
- Bullmastiff Advisory
- Bullmastiff Pedigree Database
- 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.
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Select from the following links to view Breeder listings; Breed Clubs; Rescue Organizations; as well as Books and other Merchandise specific to the breed: |



