The global shift toward antibiotic-free livestock production has important welfare implications. Removing antibiotics requires better disease prevention, management, and veterinary care.
The antibiotic-free transition presents a genuine welfare dilemma. Used appropriately, antibiotics treat infections and prevent suffering. Restricting their use without adequate alternative disease management can increase untreated disease, pain, and mortality — a welfare cost that must be taken seriously. The ethical approach is to develop high-welfare production systems where disease pressure is reduced through prevention rather than treatment. This means lower stocking densities, better ventilation, higher-quality feed, reduced stress from transport and regrouping, and robust vaccination programs. When disease does occur in antibiotic-free systems, treatment decisions must prioritize animal welfare — appropriate use of antibiotics to treat (not prevent) disease is consistent with responsible antibiotic stewardship. Antibiotic-free labels should not override the ethical obligation to treat suffering animals.