No because nobody as reported him yet but I fear he will be. I have not taken him to training .No a thyroid panel as not been running on him yet .yes we are fenced in but it happens at are caravan he was chain to the caravan on his lead the kid ran past and he bit him twice. On first meeting people buster will just run up to them and bite them. That's why we will never let him off the lead . Once he knows them he is fine he is loving and playful. He is the same with other dogs . We have never hit him so I do not no why he is as he is . I can never trust him with my grandchildren all thought he as never bit them he as snapped at the if you are giving them sweets he wants them . I just thought I would be kinder to have his teeth out than put him down . Because I fear he will bite somebody one day and we will have too. We tack him walking on a very long lead so in the field he can have a run keep him away from other dogs . I am now going to block a area off in the garden and chain buster in it when my grand children come . So he never has chance to bite them. When they are not hear he can run around the garden as he like. Even in the garden he is barking all the time at things that go by he doses get himself very stress . Could you tell me if training could stop him from biting .All so if I am eating he barks at me to give him some and doses not stop barking until I do .