We have a Giant Schnauzer or Bouvier Des Flandres, we found him, vet and some others say he looks more like a schnauzer than a Bouvier, his head and body are narrower. But, anyway. Recently he has begun to chew his own toenails he has chewed the ones on the inside on both front feet, the one on the right is so bad that tonight it started bleeding, all over the floor I put some bleed stop powder on it and wrapped it with gauze and vet wrap. I trimmed what was left of the nail back as far as I could. I noticed he has split the toenail on the left foot and although not bleeding yet, I am sure it will be soon. He gets plenty of exercise, eats a good diet, is wormed regularly. I have Jack Russells and while they have their oddities (one snaps at invisible bugs, another rolls around the bed and barks) they do not self-mutilate..... I really do not have the extra to take him to the vet right now, but will if I feel it is becoming urgent, just hoping that someone has some insight as to why he started an how to stop this.