We did. We used BioPet, but it is similar to the one you are thinking of doing. We think it is pretty accurate. Casey looks Siberian husky, and his results came back over 75% Siberian husky (and less than 20% Great Dane). I'm sure the blood testing (as opposed to the cheek swab) might be a little more accurate, but we did it for fun....and I'm happy with the results!