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Footpad dermatitis (FPD) in poultry, also known as pododermatitis, causes sore, inflamed footpads and lesions, affecting mobility. It often stems from damp, unsanitary litter. With chicken paws in high demand globally, now the third most valuable part of the chicken after the breast and wings, FPD-damaged paws concern the poultry industry due to impacts on animal welfare, product quality, and food safety. Preventing FPD through a dry, clean environment is crucial for maintaining bird health and farm productivity.
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The primary culprit that causes footpad dermatitis is wet litter. The humidity of litter is influenced by factors such as the design of drinkers, dietary composition, environmental temperature and humidity, litter type and quality, and the birds' gut health.
Footpad dermatitis causes inflammation and ulcers on poultry's footpads and toes, leading to swelling, redness, and skin thickening. The condition ranges from shallow to deep ulcers, which can evolve into abscesses. Severe cases result in pain, reduced growth, impaired walking, and increased risk of bacterial infections.
The symptoms of footpad dermatitis are very visual and easy to recognize when inspecting the paws:
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Farms that successfully control moisture maintain the best paw quality. Factors that influence the moisture level in litter include:
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