4Hoofnagle J H,Hepatitis C.the clinical spectrum of diseas[J].Hepatelogy, 1997, 26:15.
5Jean E S, Reynaldo S R, Waltman W D, et al.Pasteurella challenge and ELISA serology evalution of broiler breeds vaccinated with live cholera vaccine[J].Avi Dis,1998,42:190-193.
6MacFarlane G D,Scheller D G,Ersfeld D L,et al.Analytical validation of the PRO-Trac ELISA for the determination of tacrolimus(FK506) in whole blood[J].Clin Chem, 1999, 45(9):1449.
7FAO.Assurance of seafood quality[J].FAO Fisheries Technical,1994, 334:22-25.
8Michael RB.Exogenous enzymes in monogastric nutrition,their current value and future benefits[J].Animal Feed Science and Technology,2000,86: 1-13.
9Boarton MD,Hart WS.Public health risks: antibiotic resistance[J].Asian-Aust Journal of Animal Science,2001,14: 414-422.
10Phipps RH,Beever DE.New technology: Issues relating to the uses of genetically modified crops[J].Journal of Animal and Feed Science,2000,9: 543-561.