Laying Hen Enriched Colony Housing Standards

Enriched colony cages for laying hens represent an improvement over conventional battery cages but remain controversial among animal welfare scientists.

Key Facts

Conventional battery cages, which provide approximately 550 square cm per hen, are banned in the EU and several US states
Enriched colony cages provide approximately 750 square cm per hen plus a nest box, perch, and scratching area
While enriched cages allow more behaviors than battery systems, critics argue they still restrict natural behavior too severely
Cage-free barn systems allow hens to move freely but present challenges including feather-pecking and higher mortality without careful management
Free-range and pasture-raised systems, when well-managed, provide the most complete behavioral freedom for laying hens
Consumer demand for cage-free eggs has driven major retail and food service commitments to phase out caged eggs globally

Welfare Considerations

The transition from battery to enriched colony cages was a meaningful but incomplete welfare reform. Enriched cages allow hens to express some natural behaviors, but the space allocation remains far below what free-ranging hens use. The ongoing transition to cage-free systems across the food industry represents the next phase of laying hen welfare improvement, though cage-free management must be skilled to avoid new problems such as injurious pecking.

What You Can Do

Choose cage-free, free-range, or pasture-raised certified eggs when purchasing
Support retailers, restaurants, and food companies in their cage-free egg commitments
Advocate for national legislation banning conventional and enriched colony cages
Reduce egg consumption overall while prioritizing the highest welfare options available