C.F.R. » Title 21 » CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES › 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

21 C.F.R. § 556.290

Fluralaner

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(a) Acceptable daily intake (ADI). The ADI for total residue of fluralaner is 10 µg/kg of body weight per day.

(b) Tolerances. The tolerances for parent fluralaner (marker residue) are:

(1) Chickens. (i) Liver (target tissue): 320 ppb.

(ii) Muscle: 110 ppb.

(iii) Eggs: 2500 ppb.

(2) Cattle. (i) Liver (target tissue): 500 ppb.

(ii) Muscle: 350 ppb.

(c) Related conditions of use. See §§ 516.900 and 520.999 of this chapter.

[91 FR 5301, Feb. 6, 2026, as amended at 91 FR 41561, July 7, 2026]