... ,Malic Acid,Lactic acid,Ethyl Acetate ,etc ...6. Antibacterial agent :Tylosin, oxytetracycline ,Flavomycin etc..7. Vermifuge : Sulfaquinoxaline,Furazolidone,Nicabazin etc8.Storage additive: Sorbic acid ... ,Potassium Sorbate, Propionic acid etc..9.Other : pancreatin ,amylase, urea phosphate etc ...