[Code of Federal Regulations]
[Title 21, Volume 6]
[Revised as of April 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR573.480]
[Page 518]
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. 573.480 Formic acid.
Formic acid may be safely used as a preservative in hay crop silage
in an amount not to exceed 2.25 percent of the silage on a dry weight
basis or 0.45 percent when direct-cut. The top foot of silage stored
should not contain formic acid and silage should not be fed to livestock
within 4 weeks of treatment.
Additives that reference this regulation: | 