Ammonia Concentrations and Emissions of Aviary Hen Houses

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2013-01-01
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Zhao, Yang
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Xin, Hongwei
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Ammonia (NH3) concentrations and emissions were monitored in four aviary laying-hen houses for one year. The mean indoor NH3 concentration of the four houses (mean ± SE) was 5.2 (±0.1) ppm. The NH3 concentrationswere below 25 ppm, the commonly recommended threshold, on all sampling days. Ammonia emission rate was 0.14(±0.01) g/d-hen. The NH3 concentrations and emission rateof the aviary houses were between those of manure-belt and high-rise cage houses reported in the literature.

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Tue Jan 01 00:00:00 UTC 2013
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