New probiotic, and probiotic fermentation feed prepared by using it

The invention discloses a probiotic. The probiotic is Lactobacillus plantarum BS10 preserved in China Center for Type Culture Collection with the preservation number of CCTCC M2012487. The invention also discloses a use of the probiotic, and a feed prepared through fermenting by the probiotic. The Lactobacillus plantarum BS10 has lipid reducing, cholesterol reducing and bacterium inhibiting effects, is a probiotic, and can highly tolerate acidic environment and high bile salt environment. The feed prepared by using the Lactobacillus plantarum BS10 with the preservation number of CCTCC M2012487 can effectively promotes the growth of pigs and improve the disease resistance of the pigs, also can improve the quality of pork, and has a good application prospect.