Bullmastiff
The Bullmastiff is an English breed developed by crossing Bulldogs with Mastiffs to guard against nighttime intruders. Despite their imposing build — standing 61 to 68.5 cm at the shoulder and weighing 41 to 59 kg — they are known for being deeply affectionate and loyal toward their families. Calm and composed most of the time, they become alert and protective when it matters, earning deep trust from their owners. Their sheer power means they call for firm, experienced handling, making this a breed best suited to seasoned large-dog owners. Bullmastiffs typically live 8 to 10 years.
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Bullmastiff key facts
- Care level
- Advanced
- Lifespan
- 8-10 years
- Size
- Height 61-68.5cm / Weight 41-59kg
- Diet
- High-quality large-breed dog food. Feed 2-3 smaller meals daily to help prevent bloat.
- Temperament
- High-spirited and watchful. Faithful to its family.
- Exercise
- 45-60 min walks daily. Moderate rather than intense exercise.
- Coat Care
- Short coat, easy care. Brush 1-2 times weekly.
- Origin
- United Kingdom
- Notes
- Prone to hip dysplasia and bloat. Heat-sensitive; exercise during cool hours in summer.
About Bullmastiff
Bullmastiffs are English guard dogs bred from Bulldogs and Mastiffs, known for their powerful build (61-68.5 cm, 41-59 kg), loyal nature, and 8-10 year lifespan. Best suited to experienced large-dog owners.
7 things to know before welcoming a Bullmastiff
1Built for Experienced Owners
Weighing in at 41 to 59 kg, Bullmastiffs are remarkably powerful dogs that need confident, consistent handling. This breed is best suited to owners who already have experience with large dogs, and first-time owners may find them challenging.
2Needs Ample Space
Standing 61 to 68.5 cm tall, Bullmastiffs need plenty of room to move comfortably, even indoors. A home with a yard or other open space makes for a much better fit than a cramped apartment.
3Calm but Watchful
Bullmastiffs are typically quiet and composed, but their heritage as guard dogs means they stay alert and can react strongly to strangers or unfamiliar sounds. Early socialization is essential to help them relax around new people and situations.
4Split Meals, Twice or Thrice Daily
To help prevent bloat, Bullmastiffs should be fed two to three smaller meals a day rather than one large one. Choosing a high-quality food formulated for large breeds is also recommended.
5A Shorter Lifespan
Bullmastiffs typically live 8 to 10 years, somewhat shorter than many other breeds. Consistent health care throughout their life helps make the most of the time you share together.
6Early Training Matters
Bullmastiffs are deeply loyal and affectionate, but training becomes far harder once they reach their full adult size and strength. Starting basic commands and socialization while they're still puppies makes a huge difference.
7Drooling and Snoring Are Normal
Like many Mastiff-type breeds, Bullmastiffs are prone to drooling and snoring. These are simply breed traits rather than health concerns, so it helps to know what to expect before bringing one home.
Frequently asked questions about Bullmastiff
- Q.Can first-time dog owners keep a Bullmastiff?
- A.Because Bullmastiffs are large and very powerful, this breed is generally best suited to owners who already have experience with large dogs. First-time owners should study training basics or consult a professional trainer before bringing one home.
- Q.How long do Bullmastiffs live?
- A.Bullmastiffs typically live 8 to 10 years. Like many large breeds, this is somewhat shorter than smaller dogs.
- Q.How big do Bullmastiffs get?
- A.Adult Bullmastiffs stand about 61 to 68.5 cm tall and weigh 41 to 59 kg. They're a very large, powerfully built breed.
- Q.What should I know about feeding them?
- A.To help prevent bloat, it's recommended to split daily meals into two or three smaller portions rather than one large feeding. A high-quality food formulated for large breeds is also a good choice.
- Q.Is the Bullmastiff subject to CITES?
- A.Bullmastiffs are not subject to CITES.
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