Bullmastiff: Difference between revisions
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Revision as of 12:22, 1 August 2016
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The Bullmastiff is a large-sized breed of domestic dog, with a solid build and a short muzzle. The Bullmastiff shares the characteristics of molosser dogs, and was originally developed by 19th-century gamekeepers to guard estates. The breed's bloodlines are drawn from the English Mastiff and the extinct Old English Bulldog. It was recognized as a purebred dog by the English Kennel Club in 1924. They are quiet dogs and very rarely bark.[1]
Appearance
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Size
Males should stand 25–27 inches (64–69 cm) tall (American Kennel Club (AKC) standard) at the withers and weigh 110 pounds (50 kg). Females should be 24–26 inches (61–66 cm) at the withers, and 110 pounds (50 kg). Exceeding these dimensions is discouraged by breeders.
Color
A Bullmastiff's coat may appear in fawn, red, or brindle. These are the only acceptable colors in the AKC standard.[2] The fawn can range from a very light brown to a reddish brown. Red can range from a light red-fawn to a dark, rich red. Brindles are a striped overlay of the fawn or red. A Bullmastiff should have no white markings, except for on the chest where a little white is allowed.
History
Bred by English gamekeepers in the 19th century to assist English wardens or gamekeepers guard estates and capture poachers. As a result, the Bullmastiff is known as the Gamekeeper's Night Dog. The preferred color, by gamekeepers, was brindle, as this color works as a more effective camouflage, especially at night.[3] The Bullmastiff was a cross of 40% Old English Bulldog (not the short, chubby Bulldog of today) and 60% English Mastiff for its size, strength, and loyalty. They bark much less often than other breeds; however, they do bark on alarm.
The Bullmastiff was recognized as a pure-bred dog in 1924 by the English Kennel Club. In 1934, the AKC recognized the Bullmastiff.[2] The first standard for the breed was approved in 1935.[4] The standard has undergone several revisions since then; the most current version is available on the AKC website.[5]
Trainability
Bullmastiffs are strong, powerful, but sensitive dogs. For a Bullmastiff to become a well-behaved family member, consistency is needed. Training and socialization is of high importance, as the breed can be independent.[2] Dogs of this breed are natural guardians of their home and owners. No special guard training is needed for a Bullmastiff to react appropriately if its family is endangered. During training, a Bullmastiff requires a special approach, because these dogs do not like to repeat the same actions again and again. Activities Bullmastiffs enjoy include obedience, agility, tracking, and carting.[1]
Health
A UK survey puts the median lifespan of the Bullmastiff at 7 to 8 years old.[6] A Bullmastiff does not stop growing until it is about three and a half years of age. Bullmastiffs are prone to certain hereditary diseases, including:
- Hip dysplasia, affecting 24.5% of individuals [7]
- Elbow dysplasia, affecting 13.8% of individuals,[8]
- Entropion, hypothyroidism affecting 2.8% of individuals,[9]
- Lymphoma
- Progressive retinal atrophy is a particular problem, since the trait is an autosomal dominant one. (This has recently been called into question by another other medical team and has been proven that some Bullmastiffs have autosomal recessive PRA genes. In America, this is being investigated by the American Bullmastiff Health and Research Committee, and the DNA Optigen test only works for dominant genes, so it is considered inadequate at this time.)[10]
- Arthritis
- Bloat
Cosmetic genetic problems include longhairs and "Dudleys". Both are recessives and not common. The Dudley, named after a notable Bulldog breeder of the 19th century, the Earl of Dudley, is a lack of pigment in the mask. It can be liver colored or simply not present.
Famous Bullmastiffs
- Brutus – Bob Dylan's dog in the 1980s
- Butkus – Sylvester Stallone's dog
- Rocky – Roloff family dog (Little People Big World)
- Swagger – the live mascot of the Cleveland Browns
- Mudge – Henry and Mudge (children's books)[11][12]
See also
References
- ^ a b Bullmastiff Page
- ^ a b c "Get to Know the Bullmastiff", 'The American Kennel Club', Retrieved 29 May 2014
- ^ "Bullmastiff". Animal Planet. Retrieved 12 March 2015.
- ^ "1935 Bullmastiff standard" (PDF).
- ^ American Kennel Club — Bullmastiff
- ^ "Individual Breed Results for Purebred Dog Health Survey". Retrieved 26 June 2012.
- ^ Orthopedic Foundation for Animals. "Hip Dysplasia Statistics". Retrieved 2013-06-11.
- ^ Orthopedic Foundation for Animals. "Elbow Dysplasia Statistics". Retrieved 2013-06-11.
- ^ Orthopedic Foundation for Animals. "Thyroid Statistics". Retrieved 2013-06-11.
- ^ "PRA". Swedish Bullmastiff Club.
- ^ ReadWriteThink: Lesson Plan: Word Study With Henry and Mudge
- ^ Henry and Mudge
External links
