Mixed Breeds are NOT Hardier than Purebred Dogs

Researchers at the University of California, Davis are reporting that mixed breeds dogs are just as likely to suffer from inherited canine disorders.

The study reviewed the prevalence of 24 of the most common genetic disorders and included various types of cancers, heart diseases, endocrine-system ailments and orthopedic problems.

The study, which reviewed veterinary records for more than 90,000 dogs between 1995- 2010, found that the occurance rate of 13 of 24 genetic disorders was approximately the same in both mixed breed and purebred canines. 10 of the disorders did occur more frequently in purebred dogs and 1 disorder was more common in mixed breeds.

Unfortunately, the article does reference two of my favorite breeds, the Rottweiler and the Bernese Mountain Dog  specifically. They are both listed in the top five breeds to suffer from elbow dysplasia.

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June 12, 2013

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