IMPROVEMENTS IN AND RELATING TO ANIMAL FEED STUFFS

摘要

1284865 Antibiotic-containing animal feeds KAYAKU ANTIBIOTIC RESEARCH CO Ltd 1 Sept 1970 41817/70 Heading A5B Animal feeds for promoting the development and growth of domestic animals comprise colistin (or a salt thereof, e.g. a mineral acid salt such as a sulphate or phosphate) and an inert carrier material. Preferably the animal feed contains 1-5 parts per million of active ingredient.