Overview
The Bullmastiff is a large, powerfully built dog with a strong, muscular frame. Originally bred to guard estates, they are a mix of the English Mastiff and the Bulldog, combining the best qualities of both. Bullmastiffs are known for their loyalty and protective instincts, making them excellent family guardians. They have a natural instinct to protect their home and loved ones, yet are gentle and affectionate with their family members.
Despite their intimidating appearance, Bullmastiffs are known for their calm and affectionate nature. They are confident, courageous, and extremely loyal, often forming strong bonds with their families. This breed is best suited to owners who can provide consistent, confident leadership.
Prospective owners should be prepared for the Bullmastiff’s size and strength, as well as their need for regular exercise and mental stimulation. They thrive in homes where they have plenty of space to move around and benefit from a secure, fenced yard. Training and socialization from an early age are crucial to ensure they grow into well-mannered adults.
Quick Facts
Coat
Short, Dense
Size
Large
Group
Working
Colors
Fawn, Red, Brindle
Height
61-68 cm
Origin
England
Weight
45-59 kg
Exercise
60 min/day
Lifespan
7-9 years
Temperament
Bullmastiffs are known for their calm and gentle disposition. They are loyal and protective, making them excellent family companions. With strangers, they can be reserved and will naturally act as protectors of their home and family. However, they are not typically aggressive unless provoked. This breed is known to be good with children, though due to their size, supervision is recommended. Bullmastiffs generally get along with other dogs and pets if they are properly socialized from an early age. Their energy levels are moderate; they enjoy regular walks and playtime but are also content to lounge around the house. They are not a high-energy breed and prefer a relaxed environment.
History & Origins
The Bullmastiff was developed in England in the mid-19th century by gamekeepers who needed a reliable and powerful dog to catch poachers. By crossing the English Mastiff with the Bulldog, they created a breed that was strong, fast, and courageous, yet docile enough to obey commands.
Initially, Bullmastiffs were known as the 'Gamekeeper's Night Dog' and were specifically bred for their ability to tackle and pin intruders without mauling them. They quickly gained a reputation for their effectiveness and loyalty and became popular among estate owners across England.
Though not recognized by the Fédération Cynologique Internationale (FCI), the Bullmastiff has gained global recognition for its unique qualities. The American Kennel Club (AKC) officially recognized the breed in 1933, and it has since become a beloved companion and guardian in many homes around the world.
Grooming
The Bullmastiff’s short coat is relatively easy to care for, requiring weekly brushing to remove loose hairs and keep the coat shiny. A rubber grooming mitt or a soft-bristle brush works well for this task.
Bathing should be done as needed, typically every few months, or when the dog gets particularly dirty. Frequent baths can strip the natural oils from their coat.
Regular dental care is important; brushing their teeth several times a week can help prevent dental diseases. Nails should be trimmed regularly to prevent overgrowth and cracking, and ears should be checked and cleaned to avoid infections.
Training
Bullmastiffs are intelligent and willing learners, but they can also be independent and stubborn. Consistent, positive reinforcement training methods work best with this breed. Early socialization and puppy training classes are recommended to ensure they grow into well-adjusted adults.
Owners should focus on basic obedience commands such as sit, stay, and come, as well as leash training due to their size and strength. Avoid harsh training methods, as these can lead to fearfulness and aggression.
Socialization is key to preventing over-protective behavior. Exposing them to a variety of people, environments, and situations can help them become more adaptable and confident.
Nutrition & Diet
Bullmastiffs require a balanced diet that supports their large size and energy needs. High-quality commercial dog food, formulated for large breeds, is typically recommended. It's important to monitor their portions to prevent obesity, a common issue in large breeds.
Feeding should be done twice a day to avoid overeating and to help maintain a healthy weight. Owners should avoid feeding Bullmastiffs table scraps or high-fat foods that could contribute to weight gain.
Fresh water should always be available, and any dietary changes should be made gradually to avoid digestive upset. Consulting with a veterinarian can help determine the best diet plan for an individual Bullmastiff.
Health Overview
Hip Dysplasia
Moderate riskA common condition in large breeds where the hip joint doesn't fit properly, leading to arthritis.
Elbow Dysplasia
Moderate riskA developmental issue in the elbow joint causing pain and lameness.
Bloat
High riskA life-threatening condition where the stomach fills with gas and twists.
Hypothyroidism
Moderate riskA condition where the thyroid gland underproduces hormones, leading to weight gain and lethargy.
Cancer
High riskBullmastiffs are prone to certain types of cancer including lymphoma.
Heart Disease
High riskCan include conditions such as cardiomyopathy which affects the heart muscle.
Entropion
Low riskA condition where the eyelid rolls inward, irritating the eye.
Living Requirements
Cats
moderate
House
yes
Garden
optional
Climate
temperate
Children
yes/with supervision
Apartment
with exercise
Other Dogs
moderate
Activity Level
moderate
Fun Facts
- 1Bullmastiffs were originally bred to tackle poachers.
- 2They are known as the 'Silent Watchdog' due to their quiet nature.
- 3The Bullmastiff is a cross between the Bulldog and the Mastiff.
- 4They were officially recognized by the AKC in 1933.
- 5Bullmastiffs have appeared in various films and TV shows.
- 6They are known for their drooling, especially after eating and drinking.
- 7Despite their size, they are known for being quite agile.
- 8They have a natural instinct to protect their family.
- 9Bullmastiffs are excellent at scent work.
- 10They usually have a calm and laid-back demeanor.
- 11Bullmastiffs were used in World War II as messengers.
- 12They have a strong prey drive, requiring careful training.
Famous Bullmastiffs
Rocky
Featured in the film 'Homeward Bound II: Lost in San Francisco'.
Bam Bam
Owned by actress Jennifer Aniston, known for his affectionate nature.
Bullseye
The Target store mascot is often portrayed by a Bullmastiff.
Butkus
Sylvester Stallone's pet Bullmastiff appeared in the Rocky films.
Khan
Starred in the 1993 film 'The Sandlot' as the intimidating junkyard dog.
Frequently Asked Questions
33 questions about the Bullmastiff