Effective flock health monitoring is the foundation of welfare management in commercial egg production. Evidence-based monitoring enables early intervention and reduces the prevalence of welfare problems.
Welfare management in large commercial flocks depends on systematic monitoring because individual bird assessment of 10,000+ hens is impractical. Flock-level indicators — mortality rates, body weight distribution, feather condition, production changes — provide the early warning system that enables intervention before welfare problems become severe. The key challenge is setting appropriate alert thresholds that trigger investigation and action rather than passive acceptance of background welfare deterioration. Higher-welfare certification schemes typically require documented monitoring programmes with defined action triggers, moving welfare assurance from periodic audit to continuous management.