Robust welfare assessment requires validated, objective measures of animal state that capture both negative and positive aspects of welfare across different contexts.
Welfare assessment has advanced from subjective observation to validated, protocol-based measurement systems that can be applied consistently across farms and time periods. Welfare outcome measures at slaughter, including hock burns, bruising, and mortality rates, provide population-level evidence of farm welfare standards. On-farm behavioral observations provide real-time data. The challenge is integrating these measures into a meaningful overall welfare judgment and communicating results to producers, retailers, and consumers in actionable ways.