Ractopamine.
21 C.F.R. § 556.570
in effectEffective: 2024-07-01(a) Acceptable daily intake (ADI). The ADI for total residue of ractopamine hydrochloride is 1.25 µg/kg of body weight per day.
(b) Tolerances. The tolerances for ractopamine (marker residue) are:
(1) Cattle. (i) Liver (target tissue): 0.09 ppm.
(ii) Muscle: 0.03 ppm.
(2) Swine. (i) Liver (target tissue): 0.15 ppm.
(ii) Muscle: 0.05 ppm.
(3) Turkeys. (i) Liver (target tissue): 0.45 ppm.
(ii) Muscle: 0.1 ppm.
(c) Related conditions of use. See § 558.500 of this chapter.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
