7Fuller R.Probiotics in human and animals.J. Appl.Bacteriol, 1989,66(3):365～ 378.
8Mary D B, Wendy S H ,Public Health Risks. Antibiotic Resjistane. Asian-Aust. J. Anim. Sci,2001,14(30):414～422.
9Spring P.Yeast's secret weapon aids animal Production. Feed Mix,2000,special,32～34.
10Sisak FStimulation of phaggocytosis asassessed by luminolen hanced chemiluminescence and response to salmonella challenge of poultry fed diets containing mannanoligosaccharides.The 10th Annual Symposium on Biotechnology in the Feed Industry,Alleth inc,1994,75～84.
