Grain Processing Corporation

Randall K Dew

Paul R Witt

Disclosed is an NPN delivery system for a ruminant animal, the system comprising a complex of a zein-containing species or other proteinaceous species with a nitrogenous species. The NPN from the nitrogenous species is present in the complex in a form such that at least a portion of the NPN is not initially bioavailable to the rumen upon introduction of the system into the rumen of the ruminant animal. Preferably, the delivery system comprises a complex of urea with corn gluten. Also disclosed are methods for preparing an NPN delivery system for a ruminant animal.

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Muscatine, IA, United States of America

Randall K Dew