Giant10.1 yr avg
Bernese Mountain Dog
AKC · Working
View breedComparison
Bernese Mountain Dog vs Shih Tzu
Side-by-side comparison from peer-reviewed sources. Lifespan and health figures draw on Royal Veterinary College VetCompass and AKC breed data.
At a glance
Side-by-side
The numbers that most change day-to-day care. A citrus border marks a meaningful advantage.
Giant
Bernese Mountain Dog
Lifespan10.1 yrrange 9–11
SizeGiant
Weight70–115 lb31.8–52.2 kg
Height23–27.5 in58.4–69.8 cm
Senior at5 yrgeriatric at 8
AKC groupWorking
Energy4/560 min/day
Trainability4/5
Shedding5/5
With kids5/5
With other dogs5/5
Small
Shih Tzu
Lifespan12.8 yrrange 12–13
SizeSmall
Weight9–16 lb4.1–7.3 kg
Height9–10.5 in22.9–26.7 cm
Senior at8 yrgeriatric at 12
AKC groupToy
Energy3/545 min/day
Trainability4/5
Shedding1/5
With kids5/5
With other dogs5/5
Health
Common health issues
Top 3 prevalence-ranked conditions for each breed. See each breed's full health profile for screening schedules and source data.
Bernese Mountain Dog
- Moderatetypical onset ~2 yr
Elbow Dysplasia
Description and veterinary guidance for Elbow Dysplasia land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Moderatetypical onset ~8 yr
Degenerative Myelopathy
Description and veterinary guidance for Degenerative Myelopathy land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Low prevalencetypical 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/.
Shih Tzu
- High prevalencetypical onset ~8 yr
Degenerative Myelopathy
Description and veterinary guidance for Degenerative Myelopathy land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Moderatetypical onset ~2 yr
Elbow Dysplasia
Description and veterinary guidance for Elbow Dysplasia land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Moderatetypical onset ~5 yr
Periodontal Disease
Description and veterinary guidance for Periodontal Disease land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
Synthesis
Which is right for you?
The Shih Tzu tends to live about 2.7 years longer on average than the Bernese Mountain Dog (12.8 vs 10.1 years).
Size gap is meaningful: the Bernese Mountain Dog is giant and the Shih Tzu is small. Expect different considerations for housing, travel, and vet-care costs.
Energy levels are close, with a slight edge to the Bernese Mountain Dog (60 min/day of directed exercise).
Shih Tzus carry a heavier breed-specific health burden (1 high-prevalence conditions vs 0 for the Bernese Mountain Dog). Budget for screening accordingly.
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