Farm Animal Welfare

Laying Hen Nest Box Provision and Welfare

Providing adequate nest boxes for laying hens is fundamental to welfare as nesting is one of the most strongly motivated behaviours in domestic chickens.

Key Facts

Hens will delay laying for up to 2 hours and show distress if nest boxes are unavailable
Nest box competition results in floor laying and egg damage in under-provisioned flocks
EU law requires one nest box per 7 hens in colony cage systems
Hens show strong preferences for enclosed dark nest boxes with litter material
Nest box quality affects stress levels and mortality from panic and pile-ups

Welfare Considerations

The nesting motivation in laying hens is among the strongest behavioural drives in domestic poultry. When nest boxes are unavailable or inadequate, hens experience genuine frustration and distress lasting hours. This has been demonstrated through experiments showing hens will persist through aversive stimuli to access a nest box. Inadequate nest provision is not a management inconvenience but a significant welfare failure.

What You Can Do

Support certification schemes that require adequate nest box provision per hen
Advocate for nest box quality standards including litter and enclosure requirements
Choose egg products from farms with documented nest box welfare compliance
Support research into optimal nest box design for different housing systems
Engage with retailers about their supplier nest box welfare standards