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Ammonia Emission from Aviary Housing Systems for Laying Hens
註釋The distribution of droppings over the two sources of emission in aviary houses, being the manure on the belts and the litter on the floor, was investigated under experimental circumstances. The effects of manure and litter handling and litter composition, and the effect of the physical parameters of the air on the emission of ammonia were quantified. The physical and chemical relationships of the volatilisation of ammonia from litter of various commercial aviary houses and the degradation of organic material in litter to ammonia were verified and demonstrated the great impact of the dry matter content of litter on the emission.