Hen Welfare in Enriched Colony Cage Systems

Enriched colony cages replaced conventional battery cages in the EU but remain controversial — providing more space than battery cages while still falling short of full welfare needs.

Key Facts

EU enriched colony cages provide a minimum 750 sq cm per bird including perch, nest, and litter
Enriched cages allow limited expression of nesting, perching, and scratching behaviors
Welfare science finds enriched cages better than battery cages but worse than barn or free-range
Several major retailers have moved beyond enriched cage to cage-free commitments
Animal welfare organizations generally oppose enriched cages as insufficient progress

Welfare Considerations

Enriched colony cages represent a genuine but limited welfare improvement over conventional battery cages. Hens can perch, use nest boxes, and scratch in furnished areas — behaviors impossible in conventional cages. However, space remains severely restricted, dustbathing opportunities are inadequate, and social dynamics in large colony groups create welfare challenges. The welfare science consensus is that enriched cages represent an intermediate step rather than an acceptable endpoint.

What You Can Do

Choose cage-free or free-range eggs rather than enriched colony cage eggs
Support campaigns for complete cage-free transitions by retailers and food companies
Engage with egg producers on their timeline to move beyond enriched cage systems
Advocate for regulatory frameworks that set timelines for enriched cage phase-out
Follow the Open Wing Alliance global cage-free campaign for progress updates