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Bullmastiff - Dog breed
Doglarge8-10 yearsWorking

Bullmastiff

Affectionate, loyal, and brave guardian

Size
large
Lifespan
9 years
Senior Age
7+ years
Origin
England

Characteristics

AffectionateLoyalBraveDocile

Bullmastiff Age in Human Years

Dog AgeHuman AgeLife Stage
0.5 years23 yearsJunior
1 year36 yearsAdult
2 years48 yearsAdult
3 years56 yearsMature
4 years61 yearsMature
5 years65 yearsSenior
6 years69 yearsSenior
7 years72 yearsSenior
8 years74 yearsSenior
9 years76 yearsSenior
10 years78 yearsSenior

Health Considerations

  • Bloat risk high
  • Hip and elbow dysplasia
  • Cancer risk elevated

Have health concerns about your Bullmastiff? Book a health consultation with our pet specialists.

Frequently Asked Questions

How long do Bullmastiffs live?

Bullmastiffs typically live 8 to 10 years, with an average lifespan of 9 years. Proper nutrition, regular exercise, and routine veterinary care can help your Bullmastiff live a longer, healthier life.

When is a Bullmastiff considered a senior?

A Bullmastiff is generally considered a senior at around 7 years of age. At this stage, you may notice changes in energy levels, and it's important to adjust their diet and exercise routine accordingly.

How do I calculate my Bullmastiff's age in human years?

Bullmastiff aging isn't linear like the old "7 years" myth suggests. Use our breed-specific calculator above for accurate results. Generally, Bullmastiffs age faster in their first few years, then slow down as adults.

What size is a Bullmastiff?

Bullmastiffs are classified as large-sized dogs. They belong to the Working group and are known for being affectionate, loyal, brave.

Calculate Your Bullmastiff's Age

How Old Is Your Dog in Human Years?

Based on UC San Diego 2020 research on DNA methylation patterns

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Enter your dog's age in years and months

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