http://triblive.com/lifestyles/morelifestyles/13918950-74/dont-rely-on-dna-tests-to-make-medical-decisions-for-your-pet

The claims dog DNA-testing companies make can seem all but definitive: One quick cheek swab can tell you not only about the breeds that make up your pooch but also offer it a lifetime of health. Pay $65, and you can make smarter, science-based decisions about veterinary care. You can be a more responsible dog owner.

But three canine genetics experts have now hurled cold water on those claims, saying the entire business of consumer-marketed canine genetics testing is an "untamed wilderness" of weak science, unvalidated outcomes and conflicts of interest.