Abstract: Bacteriocins are ribosomally synthesized,antimicrobial peptides or proteins produced by strains of diverse bacterial species in the metabolic process. These natural substances have raised considerable interest for their advantages moreover they have potential value and broad prospect in feed additives and bio-pharmaceutical R & D. This paper will briefly overview the theory ,the application value and status of bacteriocins in animal husbandry,aquaculture and health care.

Key words: bacteriocin; application; current situation; prospect