Bullmastiff Breed Standard
British Breed Standards (March, 1994)
GENERAL APPEARANCE Powerful build, symmetrical, showing great strength, but not cumbersome; sound and active.
CHARACTERISTICS Powerful, enduring, active and reliable.
TEMPERAMENT High-spirited, alert and faithful.
HEAD AND 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 when measured at top of shoulder; broad and deep with well filled cheeks. Pronounced stop. 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 and cut off square, forming right angle with upper line of face, and at same time proportionate with skull. Under jaw broad to end. Nose broad with widely spreading nostrils; flat, neither pointed nor turned up in profile. Flews not pendulous, never hanging below level of lower jaw.
EYES Dark or hazel, of medium size, set apart the width of the muzzle with furrow between. Light or yellow eyes highly undesirable.
EARS Y 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 are highly undesirable.
MOUTH Level desired but slightly undershot allowed but not preferred. Canine teeth large and set wide apart, other teeth strong, even and well placed.
NECK Well arched, moderate length, very muscular and almost equal to skull in circumference.
FOREQUARTERS Chest, wide and deep, well let down between forelegs, with deep brisket. Shoulders muscular, sloping and powerful, not overloaded. Forelegs powerful and straight, well-boned, set wide apart, presenting a straight front. Pasterns straight and strong.
BODY Back short and straight, giving compact carriage, but not so short as to interfere with movement. Roach and sway backs highly undesirable.
HINDQUARTERS Loins wide and muscular with fair depth of flank. Hindlegs strong, and muscular, with well developed second thighs, denoting power and activity, not cumbersome. Hocks moderately bent. Cowhocks highly undesirable.
FEET Well arched, cat-like, with rounded toes, pads hard. Dark toenails desirable. Splay feet highly undesirable.
TAIL Set high, strong at root and tapering, reaching to hocks, carried straight or curved, but not hound fashion. Crank tails highly undesirable.
GAIT/MOVEMENT Movement indicates power and strength of purpose. When moving straight, neither front nor hindlegs should cross or plait, right front and left rear legs rising and falling at the same time. A firm backline unimpaired by powerful thrust from hindlegs denoting a balanced and harmonious movement.
COAT 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 towards expression.
SIZE Height at shoulder: dogs 63.5-68.5 cms. (25-27 ins.); bitches 61-66 cms. (24-26 ins.). Weight: dogs 50-90 kgs. (110-130 Ibs.); bitches 41-50 kgs. (90-110 Ibs.).
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.
NOTE Male animals should have two apparently normal testicles fully descended into the scrotum.
Reproduced by kind permission of the Kennel Club.