Dogs don't do things because of how they're bred. They do things due to their genetic propensity or learned behavior. How they're bred, persay, has nothing to do with it. I had one Boyles dog that had no teeth from chewing on rocks. He had his pet Kong Toy that he would set in his feed pan and eat around it. If he was being bred, the Kong Toy had to be removed from site or he wouldn't breed the bitch. All that silliness had nothing to do with how he was bred. None of the other Boyles dogs I ever had did any of that. None of the dogs off that particular stud did anything like that. It was just that one idiot who did things such as that.