A composition for use in feed for the treatment of an enteric disease in poultry through modulation of at least one Toll-Like Receptor (TLR) pathway, the composition derived from the group consisting essentially of a biomass containing Gram-negative bacteria, a supernatant from an algal culture containing an algal organism and Gram-negative bacteria, a bacterial biomass containing Gram-negative bacteria, a lipopolysaccharide-Lipid A compound derived from a bacterial strain, a cellular component, fraction or extract derived from a bacterial strain containing lipopolysaccharide-Lipid A, and a lipopolysaccharide-Lipid A derivative from a bacterial strain, the composition including a bacterial biomass as a portion of finished feed, wherein the bacterial biomass includes three bacteria, Brevundimonas sp., Sphingomonas sp., and Microbacterium sp, and wherein the animals being treated are poultry.