2Drummond J G Curnis S E.Simon J e I al.Effects of aerial ammonia on the growth and health of young pigs[J].Journal of Animals Sciences,1980,50(6)1085-1091.
3Hameliln L.Godbout S.The riau It R,et al.Evaluating ammonia emission potential from concrete slat designs for pig housingl J]Biosystems engineering,2010,10:452-465.
3Drummond J G, Currtis S E, Simon J, et al. Effects of aerial ammonia on the growth and health of young pigs[J]. Journal of Animals Sciences, 1980,50(6):1085-1091.
4Stombaugh D P, Teague H S, Roller W L. Effects of atmospheric ammonia on the pig [J]. Journal of Animal Science, 1969,28:844-847.
5Curtis S E, Drummond J G, Simon J. Atmospheric ammonia affects swine health [J]. Illinois Research, 1977, 19:8-9.
6Donham K J, Knapp L W, Monson R, et al. Acute toxic exposure to gases from liquid manure[J]. Journal of Occupational Medicine ,1982,24:142-145.
7王爱国.实用养猪技术[M].北京:中国农业出版社,2003.
8Van der Peet-Schwering C M C, Aarnink A J A, Romc HB,et al. Ammonia emissions from pig houses in The Netherlands,Denmark and France [J]. Livestock ProductionScience ,1999, 58:265-269.
9Hamelin L, Godbout S, The riaultR,et al. Evaluating ammonia emission potential from concrete slat designs for pig housing[J].Biosystems engineering, 2010, 105 : 455-465.
10Portejoie S, Dourmad J Y, Martinez J,et al.Ef fect of lowering dietary crude protein on nitrogen excretion, manure composition and ammonia emission from fattening pigs[J]. Livestock Production Science, 2004,91: 45-55.