Colistin Sulfate pure: 1.antibiotic chemical additive. 2.Treat gastro-intestinal diseases. 3.Growth-promoting ... Salmonella, Shigella, Proteus, Klebsiella, Pasteur's bacteria, Vibrio, etc. Adaptability:Antibiotic chemical additive.Used to treat gastro-intestinal diseases caused by ... .Package25kg/drumStorageKeep in cool and dry place; 2 years. Antibiotic Colistin Sulfate animal pharmaceuticals