Welfare Outcome Metrics in Poultry Production

Measuring welfare outcomes rather than just inputs is increasingly recognised as the most effective approach to improving poultry welfare.

Key Facts

The Bristol Welfare Indicators Poultry Assessment Tool (BIPAT) provides standardised welfare measurement
Outcome measures include mortality, lameness, feather cover, footpad dermatitis, and hock burns
Post-mortem inspection data from slaughter plants provides population-level welfare information
Retailers including Waitrose and M&S publish welfare outcome data from their supply chains
Welfare outcome monitoring enables comparison between farms and identification of best practice

Welfare Considerations

Input-based welfare assessment focusing on stocking density, lighting, and housing type misses the actual welfare outcomes experienced by individual birds. Outcome-based monitoring measures the result — the prevalence of pain, injury, and disease in the flock. Slaughter plant post-mortem data provides objective evidence of farm-level welfare that cannot be manipulated. Public reporting of welfare outcome data creates accountability and market pressure for improvement. Extending mandatory outcome monitoring to all poultry operations would create a welfare improvement feedback loop.

What You Can Do

Support campaigns for mandatory welfare outcome data collection and public reporting
Ask retailers about welfare outcome data from their poultry supply chains
Advocate for mandatory post-mortem welfare data sharing from slaughter plants
Support research into novel welfare outcome indicators for poultry populations