3[9]Lilleboj H S,Kaspers B,Jenkins M C.Avian interferon and interleukin-2.A macrophages as result of tumbling stress[J].American Journal of Pathology,1992,78:57-62.
4[9]Lilleboj H S,Kaspers B,Jenkins M C.Avian interferon and interleukin-2.A macrophages as result of tumbling stress[J].American Journal of Pathology,1992,78:57-62.
5BUYSE J,JANSSENS G P,DECUYPERE E.The effects of dietary L-carnitine supplementation on the performance,organ weights and circulating hormone and metabolite concentrations of broiler chickens reared under a normal or low temperature schedule[J].British Poultry Science,2001,42:230-241.
6SMITH R J.Glutamine metabolism and its physiologic importance[J].Journal of Parenteral and Enteral Nutrition,1999,14(4):40-45.
7EDER K,RAMANAU A,HULGER K.Effect of dietary L-carnitine supplementation on the performance of sows[J].Lohmann Informatiom,2002,16:26-27.
8DAVID M S,PAUL J W.Dominance of Prevotella and low abundance of classical ruminal bacterial species in the bovine rumen revealed by relative quantification real-time PCR[J].Applied Microbiology and Biotechnology,2007,75(1):165-174.
9DENMAN S E,McSWEENEY C S.Quantitative (real-time) PCR[M]//MAKKAR H P S,MCSWEENEY C S.Methods in gut microbial ecology for ruminants.Dordrecht:Springer,2005:105-115.
10STEWART C S,DUNCAN S H,FLINT H J.The properties of forms of Ruminococcus flavefaciens which differ in their ability to degrade cotton cellulose[J].FEMS Microbiology Letters,1990,72:47-50.
