
Keywords: پلی ساکارید خارج سلولی; CFU; colony forming units; EPS; extracellular polysaccharide; GIT; gastrointestinal tract; GM-CSF; granulocyte macrophage colony-stimulating factor; ETEC; enterotoxigenic E. coli; FOS; fructo-oligosaccharide; GOS; galacto-oligosaccharide; HSP; heat shock