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Factors Affecting Ammonia Release in Broiler Houses

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Transactions of the ASAE. 25 (2): 0413-0418. (doi: 10.13031/2013.33545) @1982
Authors:   H. A. Elliott, N. E. Collins

ABSTRACT A computer program for modeling ammonia (NH3) re-lease in broiler houses has been developed. The model estimated that during the first weeks for flocks grown on reused litter, NH3 concentrations can reach 200-300 ppm; safe levels (<25 ppm) require ventilation rates ten times normal. Of the factors studied, the order of importance in influencing NH3 volatilization was: lit-ter pH temperature > moisture content.

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