PROCESS FOR ISOLATION OF ANTIBIOTIC AV290 AND ANTIBIOTIC AV290-ALKALI METAL ALKYL SULFATE COMPLEX OBTAINABLE THEREBY

摘要

This disclosure describes a reversible complex of antibiotic AV290 with an alkali metal alkyl sulfate and a process for preparing same. The complex is useful as an animal feed supplement which significantly enhances the growth rate of animals and poultry.