CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS (parts 500 to 590) > PART 556—TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD > SUBPART B—Specific Tolerances for Residues of New Animal Drugs (§556.34 to §556.770) > 556.226—Enrofloxacin.

556.226—Enrofloxacin.

(a) Acceptable daily intake (ADI). The ADI for total residues of enrofloxacin is 3 micrograms per kilogram of body weight per day.
(b) Tolerances. The tolerances for enrofloxacin are:
(1) Cattle— (i) Liver (target tissue). 0.1 part per million (ppm) desethylene ciprofloxacin (the marker residue).
(ii) [Reserved]
(2) Swine— (i) Liver (target tissue). 0.5 ppm enrofloxacin (the marker residue).
(ii) [Reserved]
(c) Related conditions of use. See § 522.812 of this chapter.

Code of Federal Regulations

[73 FR 21819, Apr. 23, 2008]