Again, just because you have not been exposed to the use of rock minerals in farm animals, does not make it non-existent in the world.
I reckon I'm just one of those dumb ol' hillbillies who believes in living off the land-not eating it. No wonder most beef ain't fit to eat anymore, and why these mutant chicken house birds don't taste nothing like my Grandmother's free range chickens. I don't want to even get started on commercial eggs.