Occurrence: Everywhere that poultry are reared on built up litter.
Species affected: All poultry reared in confinement.
Age affected: mostly young birds
Causes: Clostridium septicumE. coli, and S. aureus.
Effects: Signs include loss of feathers, low mortality, dead birds decompose quickly, pale
combs and wattles. Lesions are reddish, greenish, necrotic skin usually devoid of feathers, overlying wings, breast, abdomen, or legs.

Clostridium septicumE. coli, and S. aureus in the litter. The disease results from immunosuppression, which increases incidence and severity of dermatitis. Immunodepression may be due to a prior infection with IBDV, MDV, ALV, or CAV infection(s) or mycotoxin ingestion.