We associate food with at most, pleasure, at the very least, survival. It's not too different for animals. Lambs turned out on new grass move "quickly over certain grasses to get to others – to nosh on clover and mustard grass, avoiding horse nettle and fescue along the way," writes Dan Barber in A Chef Speaks Out . Wild pigs, capable of seeking out the nutrients they need,"enjoy eating nuts, roots, fruits, mushrooms, bugs, rabbits, and, occasionally, dead animals."
But what happens when animals are confined in cramped, filthy environments and force-fed monoculture diets of genetically modified corn and soy?