abstract |
An antibiotic, prepared by fermentation of Streptomyces sp. ATCC 53862, of the formula:-n wherein Me=CH₃ and Pr=CH₃CH₂CH₂, or a pharmaceutically acceptable cationic salt thereof. n The antibiotic is useful as an anticoccidial in chickens, in the prevention or treatment of swine dysentery, and as a growth promotant in cattle and swine. |