There is no generic breed testing conducted in puppy mills. (dogbreedz.com)
According to Sue DeNise, vice-president of MMI Genomics, creators the Canine Heritage Breed Test for mixed breed dogs, each test result is furnished to the dog owner with the following proviso: «Your dog's visual appearance may vary from the listed breed (s) due to the inherent randomness of phenotypic expression in every individual.» (animallawcoalition.com)
If you are not reasonably sure of the breed of your dog or it is a mixed breed, we suggest that you utilize our Wisdom Panel Mixed Breed test as it is designed to compare your dog's DNA to all the breeds within the Wisdom Panel Mixed Breed database. (amazon.com)