dogage.co
MediumTerrier Group

Miniature Bull Terrier

The Miniature Bull Terrier shares the Bull Terrier's 19th-century English origin and breed type, selectively bred smaller from the 1930s onward.

Calculate Miniature Bull Terrier age
Lifespan12.2 yrrange 11–14
SizeMediumTerrier Group
Weight18–28 lb8.2–12.7 kg
Senior at7 yrgeriatric at 11

Gallery (3)

About

About the Miniature Bull Terrier

The Miniature Bull Terrier shares the Bull Terrier's 19th-century English origin and breed type, selectively bred smaller from the 1930s onward. AKC split the Miniature and standard Bull Terriers into separate breeds in 1991.

Aging

How Miniature Bull Terriers age

RVC VetCompass gives a median 12.2 years (n=362). Primary lens luxation is the defining breed-specific ocular inherited concern — DNA-testable — with polycystic kidney disease and hereditary deafness in white-coated lines secondary.

Lifespan deep-diveAvg 12.2 yr · range 11–14Senior careSenior at 7 · geriatric at 11Common health issues6 tracked conditions
Physical

Physical characteristics

Weight
18–28 lb(8.2–12.7 kg)
Height
10–14 in(25.4–35.6 cm)
Coat type
Short
Colors
Brindle & WhiteFawn & WhiteRed & WhiteWhiteWhite & BrindleWhite & RedBlack & BrindleBlack & TanBrindleFawnRedBlack Brindle & White
Temperament

Temperament

How Miniature Bull Terriers tend to show up around their people, other dogs, and the world.

playfulrobustcomicalmischievous
  • Energy
  • Trainability
  • Good with kids
  • Good with other dogs
  • Shedding
Health

Common health issues

Full health profile
  • Moderatetypical onset ~5 yr

    Primary Lens Luxation

    Description and veterinary guidance for Primary Lens Luxation land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.

  • Moderatetypical onset ~6 yr

    Adult-Onset Cardiac Disease (Echocardiogram)

    Description and veterinary guidance for Adult-Onset Cardiac Disease (Echocardiogram) land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.

  • Moderatetypical onset ~7 yr

    Cataracts

    Description and veterinary guidance for Cataracts land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.

Exercise
60min
per day

About 60 minutes of activity per day keeps a Miniature Bull Terrier physically and mentally satisfied. Split it between a structured walk and free play.

Related

Related breeds

Breeds with a similar size and group profile, for readers comparing options.

Compare

Compare Miniature Bull Terrier to another breed

Pick any of the 200 breeds in the library and we'll open a side-by-side comparison.

Start typing a breed name.

References

Sources

Lifespan and health figures on this page are drawn from the peer-reviewed and organizational sources below.

  1. AKC breed standardAmerican Kennel Club breed page

    Breed size, weight range, height, AKC group, origin, coat type, and temperament baseline.

  2. RVC VetCompassRoyal Veterinary College VetCompass life-table research (McMillan et al. 2024)

    UK primary-care records; source for the median-lifespan and mortality figures.