BIOCLIMATE OF THE HALL FOR BROILER-CHICKE NS AND ITS INFLUENCE ON MYCOTIC CONTAMINATION

Consequences between climate parameters of stable environment and moul d occurrence were monitored during one fattening cycle. Xerophilic and hydrophilic species of moulds were diagnosed in the stable air. Their presence was especially influenced by contaminated feeding mixtures a nd litter. Mostly the ''storage'' species of moulds (Penicillium, Aspe rgillus) but also the ''field'' species (Fusarium, Alternaria) were is olated from the feeding mixtures. Xerophilic Penicillium species as we ll as hydrophylic species, e.g. Cladosporium dominated in litter in th e beginning of the cycle. Yeasts dominated in the end of the cycle. In examinated samples of sedimented dust, the highest frequency of occur rence was in Penicillium germs.