You know that both PARENTS are clear. How do you know this? because they were tested and you saw the paperwork. You assume your bitch is clear, as most people do when they have clear parents, but nature has a way of throwing in an abnormality every now and then. SO in order to be certain your female is clear TEST her. If you are striving to improve the gene pool having tests done on the animal you are using gives you an idea of what you might get in the offspring. Will your puppy buyers will be satisfied with a Clear By Parentage on your female?