AffectionateLoyalDocile
Working Group — Origin: England
Bull Mastiff
A giant-sized working-group dog known for being affectionate and loyal.
- Size
- Giant
- Weight
- 45–59 kg
- Lifespan
- 7–9 yrs
Strength
10
Stamina
4
Trainability
4
Friendliness
8
At a mid-life age of 8 years, this breed is roughly
62.4 human years old
See the full dog-years calculatorWhat it eats
- Giant-breed formula with controlled calcium
- Two to three smaller meals to ease digestion
- Joint-support supplement from puppyhood
What it does
- Daily walks and yard play
- Fetch in short bursts
- Casual obedience games
Habitat
Requires ample indoor and outdoor space; a large yard and cool shelter matter more than square footage indoors.
Daily exercise needs
Bred with a docile streak, this breed keeps its condition with moderate daily exertion.
Moderate exertion~68 min/day
Field note
Hailing from England, the Bull Mastiff has been recognized as part of the Working group for generations of purposeful breeding.