subchapter_subject: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"
part_code: "573"
part_subject: "FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS"
subpart_code: "B"
subpart_subject: "Food Additive Listing"
section_number: "573.220"
section_subject: "Feed-grade biuret."
cfr_reference: "21 CFR 573.220"
title_name: "Title 21"
title_subject: "Food and Drugs"
parts_covered: "Parts 500 to 599"
revised_date: "Revised as of April 1, 2019"
publication_date: "As of April 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
---
The food additive feed grade biuret may be safely used in ruminant feed in accordance with the following prescribed conditions:
(a)The food additive is the product resulting from the controlled pyrolysis of urea conforming to the following specifications:
(b)It is used in ruminant feeds as a source of nonprotein nitrogen.
(1)The label and labeling of the additive and that of any feed additive supplement, feed additive concentrate, feed additive premix, or complete feed prepared therefrom shall contain, in addition to other information required by the act, the following:
(ii)The maximum percentage of equivalent crude protein from nonprotein nitrogen.
(2)The label shall recommend that the diet be balanced to provide adequate nutrients when equivalent crude protein from all forms of nonprotein nitrogen exceed one-third of the total crude protein in the total daily ration.