Animal health is universal so if one animal isn't healthy, all new purchases are immediately poor health. This means once they lose that health you are stuck in a cycle paying to feed animals that don't produce. Health is lost at a rate 10x faster than gain. So do the math. Let us pay to hire a doc, and heal it, or just delete them. Farmers do not feed worthless, leaching animals. If it can't produce, it's put to pasture. These are facts. You do this to leach money from users, also fact.