... antibiotics.Functions:1. It can replenish digestive ferments for shortage in young animal, and improve digestibility of protein, starch, etc.2 ... It has no negative effect, no remains and is the replacement of antibiotic for producing green food.Suitability:The product is ... suitable for pig, ox, sheep, poultry, and fish, shrimp, etc, sea-raising species.Usage:Method: It is first ...