5Charles D R, Payne C G. The influence of graded levels of atmospheric ammonia on chickens. I. Effects on respiration and on the performance of broilers and replacement growing stock [J]. Brit Pouh Sci, 1966, 7: 177-187.
6Quarles C L, Caveny D D. Effect of air contaminants on performance and quality of broilers[J]. Poult Sci, 1979, 58: 543-548.
7Reece F N, Lott B D, Deaton J W. Ammonia in the atmosphere during brooding affects performance of broiler chickens[J]. Pouh Sci, 1980, 59: 486-488.
8Nagarajia K V. Ammonia caused E. coil congestion[J]. Feedstuffs, 54 (11): 14.
9Miles D M, Branton S L, Lott B D. Atmospheric ammonia is detrimental to the performance of modem commercial broilers[J]. Pouh Sci, 2004, 83(10): 1650-1654.
10Caveny D D, Quarles C L. The effect of atmospheric ammonia stress on broiler performance and carcass quality [J]. Poult Sci, 1978, 57: 1124.
