Tilmicosin.
21 C.F.R. § 556.735
in effectEffective: 2024-07-01(a) Acceptable daily intake (ADI). The ADI for total residue of tilmicosin is 25 µg/kg of body weight per day.
(b) Tolerances. The tolerances for tilmicosin (marker residue) are:
(1) Cattle. (i) Liver (target tissue): 1.2 ppm.
(ii) Muscle: 0.1 ppm.
(2) Sheep. (i) Liver (target tissue): 1.2 ppm.
(ii) Muscle: 0.1 ppm.
(3) Swine. (i) Liver (target tissue): 7.5 ppm.
(ii) Muscle: 0.1 ppm.
(c) Related conditions of use. See §§ 520.2471, 522.2471, and 558.618 of this chapter.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
