[Code of Federal Regulations]
[Title 21, Volume 6]
[Revised as of April 1, 2001]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR573.160]

[Page 490-491]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES--(Continued)
 
PART 573--FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS--Table of Contents
 
                    Subpart B--Food Additive Listing
 
Sec. 573.160  Ammoniated rice hulls.

    The food additive ammoniated rice hulls may be safely used in 
accordance with the following prescribed conditions:
    (a) The food additive is the product obtained by the treatment of 
ground rice hulls with monocalcium phosphate

[[Page 491]]

and anhydrous ammonia at a temperature of 350 deg. F and a pressure of 
175 pounds per square inch.
    (b) It is used or intended for use in the feed of beef cattle as a 
source of crude fiber and as the sole source of nonprotein nitrogen in 
an amount not to exceed 20 percent of the total ration.
    (c) To assure safe use of the additive, the label and labeling of 
the additive and of any feed additive supplement, feed additive 
concentrate, or feed additive premix prepared therefrom, shall contain, 
in addition to other information required by the act, the following:
    (1) The name of the additive.
    (2) The maximum percentage of equivalent crude protein from the 
nonprotein nitrogen.
    (3) Directions for use to provide not more than 20 percent of the 
additive in the total ration, and a prominent statement: ``Warning--This 
feed should be used only in accordance with the directions furnished on 
the label.''