Welfare Consequences of Intensive Poultry Litter Systems

Poultry litter management in intensive indoor systems affects multiple welfare outcomes including respiratory health, foot conditions, activity levels and stocking density. Evidence shows welfare is strongly litter-management dependent.

Key Facts

Broiler chickens spend their entire lives on litter - its quality directly determines foot pad and hock welfare
Wet, caked litter produces high ammonia levels that cause respiratory irritation and eye damage in broilers
Deep litter systems accumulate manure throughout the flock cycle unless managed actively
Litter dryness is affected by ventilation rate, drinker type, stocking density and bird health
Straw or wood shavings litter performs differently depending on depth and management
Regular sampling and visual assessment of litter condition is a welfare monitoring requirement
The relationship between litter quality, ammonia and bird welfare is dose-dependent and well-documented

Welfare Considerations

Litter quality is a welfare multiplier: poor litter degrades multiple welfare domains simultaneously. High ammonia from wet litter irritates respiratory tracts, eyes and skin; wet or caked litter causes foot pad dermatitis and hock burns; compacted litter prevents natural dustbathing behaviour; and poor litter condition correlates with higher disease burden and mortality. A farm that excels in other welfare parameters but maintains poor litter manages to negate many of its welfare investments. Litter management is therefore one of the highest-leverage welfare interventions available to poultry producers - and its outcome is measurable through the Danish Scoring System at slaughter.

What You Can Do

Support retailers requiring low FPD scores from their poultry suppliers as evidence of good litter management
Ask about litter management protocols and FPD monitoring when evaluating poultry supply chains
Advocate for mandatory litter assessment and FPD scoring in poultry welfare legislation
Reduce intensive poultry consumption or choose welfare-certified alternatives with documented litter standards
Support research into improved litter materials and management systems for indoor poultry
Learn how ammonia levels affect bird health and welfare as a welfare-literate consumer