The present invention relates to an intestinal composition for companion animals comprising a novel Lactobacillus reuteri LBR_C1 strain and a novel Lactobacillus acidophilus LBA_C5 strain, wherein the strains adhere to intestinal epithelial cells Since it exhibits an antibacterial effect against sexual and pathogenic bacteria, it can be effectively used as a feed or feed additive composition.
展开▼