Which Dog Has the Longest Lifespan? Dog Breeds and Longevity

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Small Dogs and Longevity

  • Chihuahuas, Toy Poodles, Yorkshire Terriers, Dachshunds, and Lhasa Apsos often live over 15 years, with some reaching 20 years.
  • Maltese, Beagles, Chihuahuas, Toy Poodles, Dachshunds, and Yorkshire Terriers often live over 15 years.
  • Female Maltese usually outlive their male counterparts by 1 year.
  • The oldest known Beagle lived to 27 years.

Medium and Large Dog Breeds

  • The Australian Cattle Dog is exceptional among medium-sized breeds, with an average lifespan of 13-15 years.
  • Some large working breeds like the Australian Shepherd can also reach 15 years.
  • Most large dogs live between 7-10 years due to health issues related to their size.

Factors Influencing Dog Lifespan

  • Genetics play a big role.
  • Lifestyle and preventative care are also key. Dogs that get regular exercise, a healthy diet, and vet checkups are more likely to reach the high end of their breed’s lifespan.

Longest-Living Dog Breeds

  • The Chihuahua breed has the longest average lifespan of 12-20 years.
  • Small dogs like Yorkshire Terriers, Chihuahuas, Dachshunds, Toy Poodles, and Lhasa Apsos often reach 20 years.

Conclusion

  • Lifestyle choices largely determine an individual dog’s lifespan.

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