Broiler Stocking Density Reform and Welfare

Reducing stocking density in broiler production is one of the most evidence-supported and impactful welfare improvements available, yet progress toward lower densities remains slow.

Key Facts

Current legal maximum stocking density in the UK is 33kg per square metre
Higher welfare standards set maximum densities of 30kg per square metre
At legal maximum, a broiler house may have over 50,000 birds with very limited space per bird
Research consistently shows that lower stocking density reduces lameness, aggression, and air quality problems
The Better Chicken Commitment requires maximum 30kg per square metre from committed retailers

Welfare Considerations

Broilers at high stocking densities experience restricted movement, poor air quality from ammonia accumulation, higher foot health problems, and increased aggression. The welfare evidence for lower stocking densities is robust and consistent. Market and regulatory pressure is slowly driving down densities among higher-welfare producers, but conventional production still operates at the legal maximum. Consumer choice for certified lower-density products creates market signals for change.

What You Can Do

Look for RSPCA Assured or Better Chicken Commitment certified chicken
Ask retailers about stocking density standards for their own-brand chicken
Advocate for lower maximum stocking density limits in national welfare legislation
Support retailers that have made specific stocking density commitments
Reduce chicken consumption from conventional sources or substitute higher-welfare alternatives