Lactic bacillus strain and its separating and breeding method and use

The present invention relates to four kinds of lactobacilli, including Lactobacillus gasseri with preservation number of CGMCC No. 0840, Lactobacillus reuteri with preservation number of CGMCC No. 0841, Lactobacillus acidophilus with preservation number of CGMCC No. 0842 and Lactobacillus fermentum with preservation number of CGMCC No. 0843, separated from piglet intestinal tract and bred. The combination of the four kinds of lactobacilli is used in preparing the probiotics preparation for preventing and treating piglet ablactation diarrhoea and promoting growth, and the probiotic preparation is added into feed for ablactated piglet to prevent and treating diarrhoea and promote its growth. 本发明涉及由仔猪胃肠道中分离选育的格氏乳酸杆菌Lactobacillus gasseri，其保藏号为CGMCC No.0840；罗伊氏乳酸杆菌Lactobacillus reuteri，其保藏号为CGMCCNo.0841；嗜酸乳酸杆菌Lactobacillus acidophilus，其保藏号为CGMCC No.0842；和发酵乳酸杆菌Lactobacillus fermentum，其保藏号为CGMCC No.0843；该四种乳酸杆菌组合，用于制备有效防治仔猪断奶腹泻和促进生长的复合益生菌制剂，应用于仔猪断奶后日粮中。可提高仔猪的日增重，解决仔猪断奶后的腹泻问题。