The Bullmastiff Breed
Breed Overview
The Bullmastiff is a large, powerful breed developed in 19th century England by crossing Bulldogs with Mastiffs. Originally bred to guard estates and deter poachers, these dogs combine strength, courage, and loyalty with a surprisingly gentle and affectionate nature.
Despite their intimidating appearance, Bullmastiffs are known for their calm temperament and devotion to family. They are natural guardians who form strong bonds with their owners and are particularly gentle with children.
60-70 cm
50-60 kg
8-10 years
Large
History & Origins
19th Century England
The Bullmastiff was developed in the mid-1800s by English gamekeepers who needed a dog capable of tracking and pinning down poachers without mauling them. They crossed the tenacious Bulldog (40%) with the powerful Mastiff (60%) to create the perfect guardian.
The Gamekeeper's Night Dog
Known as "The Gamekeeper's Night Dog," Bullmastiffs were bred to be silent, fearless, and powerful enough to knock down and hold a man without causing serious injury. Their dark brindle coloring helped them blend into the night while patrolling estates.
Official Recognition
The breed was officially recognized by the English Kennel Club in 1924 and by the American Kennel Club in 1933. Since then, the Bullmastiff has evolved from working guardian to beloved family companion while retaining its protective instincts.
Modern Day Companion
The breed was officially recognized by the English Kennel Club in 1924 and by the American Kennel Club in 1933. Since then, the Bullmastiff has evolved from working guardian to beloved family companion while retaining its protective instincts.
Breed Characteristics
Protective
Natural guardians with strong protective instincts toward family and property. Alert but not aggressive without cause.
Intelligent
Quick learners with good problem-solving abilities. They respond wel to consistent, positive training methods.
Loyal
Deeply devoted to their families, forming string bonds. They thrive on companionship and being part of family activities.
Calm
generally calm and composed indoors. They enjoy lounging with family and don't require excessive exercise despite their size.
Gentle
Despite their size and strength, they are remarkably gentle with children and family members.
Confident
Self-assured and fearless when needed. Their conffidence makes them excellent guardians without being overly aggressive.
Breed standard
ORIGIN
Great-Britain
DATE OF PUBLICATION OF THE ORIGINAL VALID STANDAR
24.06.1987
UTILIZATION
Watch-dog
CLASSIFICATION F.C.I.
Group 2 Pinscher and Schnauzer-Molossoid breeds-Swiss Mountain- and Cattle Dogs and other breeds. Section 2.1 Molossoid breeds, Mastiff type.
Without working trial.
GENERAL APPEARANCE
Powerful build, symmetrical, showing great strength, but not cumbersome, sound and active.
BEHAVIOUR / TEMPERAMENT
Powerful; enduring, active and reliable. High spirited, alert and faithful.
HEAD
Broad and deep.
CRANIAL REGION
Skull
Skull large and square, viewed from every angle, fair wrinkle when interested, but not when in repose. Circumference of skull may equal height of dog measured at top of shoulder.
Stop
Pronounced.
FACIAL REGION
Nose
Nose broad with widely spreading nostrils; flat neither pointed nor turned up in profile.
Muzzle
Muzzle short; distance from tip of nose to stop approximately one third of length from tip of nose to centre of occiput, broad under eyes and sustaining nearly same width to end of nose; blunt an cut off square, forming right angle with upper line of face, and at same time proportionate with skull.
Lips
Flews not pendulous, never hanging below level of lower jaw.
Jaws/Teeth
Underjaw broad to end. Level desired but slightly undershot allowed but not preferred. Canine teeth large and set wide part, other teeth strong, even and well placed.
Cheeks
Well filled.
Eyes
Dark or hazel, of medium size, set apart the width of muzzle with furrow between. Light or yellow eyes highly undesirable.
Ears
V-shaped, folded back, set on wide and high, level of occiput giving square appearance to skull which is most important. Small and deeper in colour than body. Point of ear level with eye when alert. Rose ears highly undesirable.
NECK
Well arched, moderate length, very muscular and almost equal to skull in circumference.
BODY
Back
Back short and straight, giving compact carriage, but not so short as to interfere with activity. Roach and sway backs highly undesirable.
Loins
Loins wide and muscular with fair depth of flank.
Chest
Chest, wide and deep, well let down between forelegs, with deep brisket.
TAIL
Set high, strong at root and tapering, reaching to hocks, carried straight or curved, but not found fashion. Crank tails highly undesirable.
LIMBS
Forequarters
Forelegs powerful and straight, well boned, set wide apart, presenting a straight front.
Shoulders : Shoulders muscular, sloping and powerful, not overloaded.
Pasterns : Pasterns straight and strong.
Hindquarters
Hindlegs strong and muscular.
Second thigh : Well developed second thighs, denoting power and activity, not cumbersome.
Hock
Hocks moderately bent. Cow hocks highly undesirable.
Feet
Well arched, cat like, with rounded toes, pads hard. Dark toe nails desirable. Splayed feet highly undesirable.
Gait / movement
Movement indicates power and sense of purpose. When moving neither front nor hind legs should cross or plait, right front and left rear leg rising and falling at same time. A firm backline unimpaired by powerful thrust from hindlegs denoting a balanced and harmonious movement.
COAT
Hair
Short and hard, weather resistant, lying flat to body. Long, silky or woolly coats highly undesirable.
Colour
Any shade of brindle, fawn or red; colour to be pure and clear. A slight white marking on chest permissible. Other white markings undesirable. Black muzzle essential, toning off towards eyes, with dark markings around eyes contributing to expression.
SIZE AND WEIGHT
Height at withers : Dogs 63,5-68,5 cm (25-27 ins).
Bitches 61 – 66 cm (24-26 ins).
Weight : Dogs 49,9-59 kg (110-130 lbs).
Bitches 41 -49,9 kg ( 90-110 lbs).
Faults
Any departure from the foregoing points should be considered a fault and the seriousness with which the fault should be regarded should be in exact proportion to its degree and its effect upon the health and welfare of the dog.
Any dog clearly showing physical or behavioural abnormalities shall be disqualified.
N.B. : Male animals should have two apparently normal testicles fully descended into the scrotum.