If a cow is not raised in pasture, it's not a well raised cow. Ruminant holon systems like those used by Polyface Farms (Joel Salatin of Omnivore Dilemma fame)

If a cow is not raised in pasture, it's not a well raised cow. Ruminant holon systems like those used by Polyface Farms (Joel Salatin of Omnivore Dilemma fame) are incredibly efficient at both producing calories and utilizing waste products.