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Are mixed breed dogs healthier and live longer than purebreds?

Updated On September 23rd, 2025

Hi, I was planning on getting a new puppy since my Golden passed away. Inwanted to get an Australian Shepherd, but I’m not sure if I should get a purebred or adopt a mix . I don’t want to adopt a pet and have it come sick or not have a long lifespan. I know Australian Shepherd have a 12-15 year lifespan and are quite healthy. Does that also apply to a mix ?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on October 24th, 2018

I'm very sorry you recently lost your Golden! Please accept my condolences for your loss. Actually mix breed dogs can be healthier than purebred dogs. Purebred dogs can be prone to serious health diseases due to the breeding. For example, Goldens are prone to cancer. A mix breed will have a mix of genes, and may not be as likely to suffer from heritable diseases. I hope this helps!

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