| CAUSAL AGENT: | A fungus, Aspergilium fumigatus. It reproduces quickly in the straw of the nests, or in the humid food. |
| SYMPTOMS: | It is an infection of the group of the respiratory diseases. It appears under two forms: PULMONARY FORM: Respiratory difficulty (disnea) Greenish excrescences on the tongue and palate. DERMATOLOGIC FORM: Bare skin and with fractures of pens |
| TREATMENT: | NONE. Does not exists one that is effective |
| PROPHYLAXIS: | Dry and well aired loft. Avoid the humidity in the food. Disinfection (iodo povidona) |