The quality of litter in broiler houses directly determines the prevalence of foot pad dermatitis, a painful condition affecting millions of chickens.
Foot pad dermatitis is a welfare epidemic in broiler production caused by management and housing design failures. Chickens standing on wet, ammonia-rich litter develop progressive burns and ulceration on their feet — a painful condition that affects their ability to walk, feed, and compete for resources. The clear causal chain from management choices to welfare outcome makes FPD prevention straightforward in principle, even if challenging to achieve in practice. Monitoring FPD rates at slaughter provides an objective welfare score for each farm.