The global transition away from battery cage egg production represents one of the largest single welfare improvements in farm animal history. Progress varies dramatically by region.
The welfare transition in egg production represents both significant progress and significant remaining challenge. The elimination of conventional battery cages in the EU, UK, and several other jurisdictions has measurably improved welfare for hundreds of millions of hens annually — freedom of movement, wing-flapping, dust bathing, and perching are now possible where they were entirely prevented. However, the transition has introduced new welfare challenges: cage-free systems with poor management have high rates of pecking injuries, feather loss, and mortality. The welfare goal is not merely cage-free but high-quality cage-free — with appropriate stocking density, functional enrichment, good litter management, and low mortality. The Better Chicken Commitment's counterpart in eggs, the European Egg Declaration, sets welfare-positive cage-free standards. Consumer and retailer pressure for genuine welfare improvement — not just the cage-free label — drives this quality.