| 摘要 |
Antibiotic A-28086 complex, comprising microbiologically active, structurally related factors A, B, and D, produced by submerged aerobic fermentation of Streptomyces aureofaciens NRRL 5758. Individual factors A, B, and D are separated and isolated by chromatography. The A-28086 antibiotics are antibacterial, antifungal, antiviral, anti-PPLO, anticoccidial, insecticidal and acaricidal agents and also increase feed-utilization efficiency in ruminants.
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