Ed, no dog ever "tore apart" a hog, not even dead, their skin is that tough. They can worry them, distract them, that's all. Ever see the gristle shield on the side of their shoulder? The newest method to skin them is to take a box cutter, cut narrow strips all over the animal and pull them off with a pair of visegrips. Quickest way I know of. Hogs don't need much pity. Steve