Title 21: Food and Drugs
« Home / Title 21 - Food and Drugs--Volume 6 / CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) / SUBCHAPTER E - ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS
/ PART 556 - TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD / Subpart B - Specific Tolerances for Residues of Approved and Conditionally Approved New Animal Drugs / § 556.428 Narasin.
§ 556.428 Narasin.
(a) Acceptable daily intake (ADI). The ADI for total residue of narasin is 5 µg/kg of body weight per day.
(b) Tolerances. The tolerance for narasin (marker residue) is:
(1) Chickens. Abdominal fat (target tissue): 480 ppb.
(2) [Reserved]
(c) Related conditions of use. See §§ 558.363 and 558.364 of this chapter.