Feed additive for ruminants
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United States of America Patent
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-
Feb 26, 1991
Grant Date -
N/A
app pub date -
Jul 19, 1989
filing date -
Jul 19, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A feed additive for ruminants, which comprises cores containing an acid salt of a basic amino acid, and a first coating layer and a second coating layer coated sequentially on the surface of each core, wherein said first coating layer contains at least one first coating agent selected from the group consisting of a neutral or weakly acidic organic substance, a substantially neutral fine powder of inorganic substance, a non-ionic hydrophilic polymer substance and an anionic hydrophilic polymer substance and being physiologically acceptable to the ruminants, and the second coating layer contains as a second coating agent a polymer soluble or swellable in water in an acidic region of a pH of at most 5.5.
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