21 CFR § 556.290 - Fluralaner.
§ 556.290 Fluralaner.
(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]