Newfoundland — editorial watercolour portrait

Newfoundland

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9–10
lifespan (years)
45–70
weight (kg)
giant
size class

How old is your Newfoundland?

Enter an age — the calculator is tuned to this breed's size class.

BASED ON AKC BREED DATA

About the Newfoundland

The Newfoundland is a giant working breed developed in the namesake Canadian province as a fisherman's helper and water-rescue dog. Famously gentle despite the size, Newfies combine swimming ability with a deeply patient temperament that earns the breed its 'nanny dog' nickname.

Caring for a Newfoundland

Subaortic stenosis. Newfoundlands have one of the highest breed-specific rates of subaortic stenosis, an inherited cardiac defect. Annual echocardiogram from age 1 is the Newfoundland Club of America protocol.
Cystinuria. An inherited kidney condition causing recurrent bladder stones is well-documented in Newfoundlands. DNA testing of breeding stock exists; ask any breeder for results.
Heat sensitivity. The double water-resistant coat insulates against cold but traps heat. Avoid exercise above 22 degrees Celsius, provide shade and water, and watch for excessive panting or drooling.

Newfoundland questions

How long do Newfoundlands live?

Newfoundlands typically live 9 to 10 years per AKC breed standards, on the shorter end for any popular dog.

When is a Newfoundland considered a senior?

Newfoundlands are generally considered senior around age 6.

Why do Newfoundlands live such short lives?

Giant-breed biology runs on a faster clock. Size accelerates orthopaedic wear, raises cancer risk, and concentrates emergencies like bloat and cardiac disease into a shorter window.

Lifespan data: American Kennel Club breed profile — akc.org/dog-breeds/newfoundland

Guides about aging in Newfoundlands

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