Litter quality in laying hen and broiler facilities directly determines the prevalence of painful foot pad dermatitis and other contact injuries affecting millions of birds.
Litter quality is one of the most controllable factors in broiler and laying hen welfare, yet remains a persistent problem in commercial facilities. Wet litter containing high ammonia concentrations causes painful contact lesions on feet, hocks, and breasts, while damaging airways and eyes. These are chronic, painful conditions that birds carry silently for weeks or months before slaughter. The solutions are well understood — better drinker management, appropriate litter materials, and adequate ventilation — but require consistent management attention that is not always prioritized in high-throughput commercial settings.