Poor dog – through no fault of its own has probably ended up dumped in some pound somewhere or put to sleep because of his owners inability to train and dedicate time to it
Believe me, there is no amount of training that can suppress the natural instinct in some dogs. Ours will heal, sit, lie down come on command, heck you could even put a steak on the floor in front of him and he wouldn’t touch it without permission, yet, have some sort of livestock around that he can chase and he suddenly turns deaf and ignores all commands! That’s why he goes on a lead around livestock. He would never attack an animal, just likes the chase unfortunately!!