It promotes growth and increases Feed utilization rate. Detailed Descriptioncolistin sulfate:colistin sulfate 1264-72-8Supply pharmaceutical raw material for human and veterinary Chemical Name CAS NO.Amantadine 768-94-5Amantadine HCL 665-66-7Amoxicillin 26787-78-0Amprolium HCL 137-88-2Azithromycin 83905-01-5Chloramphenicol 56-75-7Ciprofloxacin HCL 86483-48-9Colistin Sulfate 1264-72-8Dirithromycin ...