7Xu Z R, Hu C H, Xia M S. Effects of dietary fructooligosac- charides on digestive enzyme activities, intestinal microflora and morphology of male broilers[J]. Poul Sei,2003, 82:1 030- 1 036.
8Maria Bielecka, Elzbieta Biedrzcka, Anna Majkowska, et al.Effect of non-digestble oligosaccharides on gut microecosystem inrats[J]. Food Res Int,2002(35):139-144.
6SEN S, INGALE S L, KIM Y W, et al. Effect of sup- plementation of Bacillus subtilis LS 1-2 to broiler diets on growth performance, nutrient retention, caecal mi- crobiology and small intestinal morphology [ J ]. Re- search in Veterinary Scienc,2012,93(1) :264-268.
7MOLNAR A K, PODMANICZKY B, KURTI P, et al. Effect of different concentrations of Bacillus subtilis on growth performance, carcase quality, gut microflora and immune response of broiler chickens [ J ]. British Poultry Science, 2011,52 (6) : 658-665.
9XU Z R, HU C H, XIA M S, et al.Effects of dietary fructooligosaccharide on digestive enzyme activities, intestinal microflora and morphology of male broilers [ J] .Poultry Science ,2003,82(6) : 1030-1036.
10RICKE S C. Perspectives on the use of organic acids and short chain fatty acids as antimicrobials [ J ]. Poul- try Science, 2003,82 ( 4 ) : 632-639.
