Space Allowances in Livestock Production and Welfare

Space allowance is one of the most fundamental determinants of farm animal welfare but is often set at the minimum legally required.

Key Facts

UK broiler stocking density can reach 39 kg per square metre — equivalent to 19 adult birds per square metre
EU sow housing regulations require minimum 2.25 m2 per sow in group gestation housing
Minimum space allowances are set by economic and political factors as much as welfare science
Research consistently shows welfare improvements with space increases above minimum requirements
Higher-welfare certification schemes typically require space allowances 2-4x above minimum legal requirements

Welfare Considerations

Space allowance directly determines whether animals can perform natural behaviours, avoid social conflict, and maintain physical health. Legal minimum space allowances are set at politically and economically feasible levels rather than welfare-optimal levels. Research showing welfare improvements with increased space above minimums is extensive and consistent. The difference between minimum legal and higher-welfare certification space allowances reflects the gap between what economics permits and what welfare science recommends.

What You Can Do

Choose animal products from producers with space allowances above legal minimums
Support welfare certification schemes with meaningful space requirements
Advocate for space allowance increases in farm animal welfare legislation
Learn about the specific space requirements different species need for natural behaviour
Understand that cheap animal products are often produced in minimum-space conditions