Spore exposure arising from stored hay, grain and straw

agriculteur agricultores animal domestique aspergillus cereales forrajeros cladosporium condiciones de trabajo condition de travail domestic animals drying enfermedades respiratorias esporas farmer's lung farmers feed cereals foin grain granos hay heno hypersensitivity maladie respiratoire microorganisme microorganismos microorganisms moho moisissure moulds paille paja penicillium respiratory diseases secado spore spores straw streptomyces working conditions