POLYCYCLIC POLYETHER (IONOPHORE) ANTIBIOTIC, PROCESS FOR THE PREPARATION THEREOF AND NUTRIENT FEED COMPOSITIONS

A new acidic polycyclic ether antibiotic, CP-63,517, having the formula:and cationic salts thereof produced by submerged aerobic propagation of Streptomyces endus subsp. aureus, ATCC-39574, a new strain of microorganism isolated from a soil sample in Japan, a process for producing this antibiotic an...

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Hauptverfasser: HIROSHI MAEDA, CELMER, W.D, CULLEN, W.P, JUNSUKE TONE
Format: Patent
Sprache:eng
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Zusammenfassung:A new acidic polycyclic ether antibiotic, CP-63,517, having the formula:and cationic salts thereof produced by submerged aerobic propagation of Streptomyces endus subsp. aureus, ATCC-39574, a new strain of microorganism isolated from a soil sample in Japan, a process for producing this antibiotic and methods for its use to improve feed utilization, promote growth of cattle and swine and to control coccidiosis.