4Add J. Tunnel housing of pigs in Livestock Environment Ⅳ Fourth International Symposium[M].Michigan,American society. Agricultural. Engirmeers, 1993:1040-1048.
5Connor M L. Update on altemative housing systems for pigs[J]. Manitoba Swine Seminar Proceedings,1995,(8):93-96.
6张益书.生物发酵床养猪技术研究进展[C] //中国畜牧畜医学会养猪学分会会刊,2008.
7中华人民共和国农业部.NY5029-2008无公害猪肉[S].北京:中国农业出版社,2008.
8Hahn JD,Biehl RR,Baker DH.Ideal digestible lysine level for early-and late-finishing swine[J].Journal of Animal Science,1995,73(3):773-774.
9Camou P,Sebranek J G.Gelation characteristics of muscle protein from pale,soft,exudative (PSE) pork[J].Meat science,1999,30(3):207-220.