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Bullmastiff

Large Breed

The Bullmastiff has a powerful build showing great strength, yet is graceful in action. This devoted and extremely alert dog excels as a guard dog and watchdog, known for being a loyal protector of his family.

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Breed standards

Country of origin

Great Britain

Weight

Males 49.5-59kg / 110-130lbs; Females 41-49.5kg / 90-110lbs (standards may vary)

Height

Males 63.5-68.5cm / 25-27in; Females 61-66cm / 24-26in (standards may vary)

Coat

Short coat

Markings

Any shade of brindle, fawn or red: colour to be pure and clear. A slight white marking on the chest is permissible; other white markings are undesirable. Black muzzle is essential and dark markings around the eyes.

Lifespan

Under 10 years

An intelligent breed, of a good-natured temperament; this dog is fearless and protective, yet affectionate. This high-spirited dog combines the reliability, intelligence, and willingness to please required of a dependable family companion and protector.

Temperament

The Bullmastiff is an alert dog with a good-natured temperament. He is fearless and protective yet affectionate. This breed is highly intelligent, reliable, loyal and devoted to his family.

  • Poor
    Children
    Good
  • Very
    Combativeness
    Not very
  • Very
    Dominance
    Not very
  • Not very
    Friendliness
    Good
  • Not very
    Independence
    Very
  • Loud
    Noise
    Quiet
  • Not very
    Trainability
    Very

Good to know

Bullmastiffs are magnificent powerful, strong dogs, showing great endurance. An active, reliable dog whose waterproof coat protects him in all climates.

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  • Makes a wonderful family pet
  • Extremely versatile and intelligent
  • Excels as a guardian and watchdog
  • Adapts well to most climates
  • Does not require trimming or stripping
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  • Not a dog recommended for novice owners
  • Requires sufficient daily physical activity and mental stimulation
  • Obedience training is required due to his large size and strength
  • Prone to cancer, hip dysplasia, tumours, eyelid problems, bloating and boils on the lips