Lactobacillus strains that have a genetic Profile I based on Apa I, Not I, and Xba I digests are provided. Preferably, the strains decrease level of at least one of coliforms and E. coli within the gastrointestinal tract of an animal. A direct-fed microbial that includes the strain is additionally provided. A method of feeding an animal the strain and a method of forming a direct fed microbial that includes the strain is also provided.