[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: 21CFR573.450]

[Page 495]
 
                        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. 573.450  Fermented ammoniated condensed whey.

    (a) Identity. The product is produced by the Lactobacillus 
bulgaricus fermentation of whey with the addition of ammonia.
    (b) Specifications. The product contains 35 to 55 percent crude 
protein and not more than 42 percent equivalent crude protein from 
nonprotein nitrogen sources.
    (c) Uses. The product is used as a source of protein and nonprotein 
nitrogen for cattle.
    (d) Limitations. (1) Store in a closed vented tank equipped for 
agitation. Agitate 5 minutes before using. Do not store at temperature 
above 110 deg. F (43 deg. C).
    (2) The maximum level of use of fermented ammoniated condensed whey 
and equivalent crude protein from all other added forms of nonprotein 
nitrogen shall not exceed 30 percent of the dietary crude protein.
    (3) The additive may be used as follows:
    (i) Mixed with grain, roughage, or grain and roughage prior to 
feeding.
    (ii) As a component of free-choice liquid feeds, used to supplement 
the diets of cattle fed other sources of nutrients, fermented ammoniated 
condensed whey shall not exceed 80 percent of the free-choice liquid 
feed.
    (e) Labeling. The label shall bear, in addition to other information 
required by the act:
    (1) The name of the additive.
    (2) The maximum percentage of equivalent crude protein from 
nonprotein nitrogen.
    (3) Adequate directions for use in accordance with the provisions in 
paragraph (d) of this section.

[43 FR 33708, July 1, 1978, as amended at 46 FR 49115, Oct. 6, 1981]