A method of promoting the growth of domestic animals with erythromycin derivative containing composition
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United States of America Patent
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Aug 14, 1990
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N/A
app pub date -
Feb 18, 1988
filing date -
Feb 20, 1987
priority date (Note) -
Expired
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Abstract
A growth promoting composition for animals containing an erythromycin derivative wherein a dimethylamino radical of the 3'-position is converted into a primary amino radical, a secondary amino radical, a tertiary amino radical other than the dimethyl amino radical, or a quaternary ammonio radical. This composition does not exhibit the antimicrobial activity at all or show the extremely decreased antimicrobial activity, and has the excellent effect to improve the feed efficiency of domestic animals.
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