Controlled release NPN ruminant feed composition
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United States of America Patent
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Sep 16, 2003
Grant Date -
N/A
app pub date -
Apr 24, 2002
filing date -
Apr 24, 2002
priority date (Note) -
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Abstract
A concentrated controlled release non protein nitrogen ruminant feed supplement composition which releases nitrogen in rumen fluids at about the same rate that the nitrogen is metabolized therein. The composition comprises closely sized central particles of concentrated rumen-degradable nitrogen compounds and non-rumen-degradable semipermeable membranes coatingly covering the central particles in an amount sufficient to allow substantially complete diffusion of the degradable nitrogen compound of the central particles through the semipermeable membranes into the rumen fluid in between 6 and 24 hours. A special method to prepare the composition is provided.
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