7Priyankarage N.,Silva S.S.P.,Gunaratne S.P.,et al.Efficacy of probiotics and their effects on performance,carcase characteristics,intestinal microflora and Salmonella incidence in broilers.2003.Spring Meeting of the WPSA UK Branch-papers
8Sogaard H.Mcrobials for feed:Beyond lactic acid bacteria.Feed,International,1990,(4):33～37
9Fuller R.The important of Lactobacilli in maintaining normal microbial balance in the crop.Br.Poultry Sci,1977,18:85～94
