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ANTIBIOTIC A42125, METHOD FOR PREPARATION THEREOF, Nocardia aerocolonigenes STEM NRRL 18049 FOR THE PROCEDURE AND FODERPRAEPARAT CONTAINING antibiotic
ANTIBIOTIC A42125, METHOD FOR PREPARATION THEREOF, Nocardia aerocolonigenes STEM NRRL 18049 FOR THE PROCEDURE AND FODERPRAEPARAT CONTAINING antibiotic
Antibiotic A42125, which is produced by a new strain of Nocardia aerocolonigenes, NRRL 18049, is a useful inhibitor of Gram-positive and methane-generating microorganisms. A42125 also increases feed utilization efficiency in ruminants. A biologically purified culture of N. aerocolonigenes NRRL 18049 and a method for producing A42125 by fermentation of this culture are provided.
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