Enrofloxacin.
21 C.F.R. § 556.226
in effectEffective: 2024-07-01(a) Acceptable daily intake (ADI). The ADI for total residue of enrofloxacin is 3 µg/kg of body weight per day.
(b) Tolerances. The tolerances for enrofloxacin are:
(1) Cattle. Liver (target tissue): 0.1 ppm desethylene ciprofloxacin (marker residue).
(2) Swine. Liver (target tissue): 0.5 ppm enrofloxacin (marker residue).
(c) Related conditions of use. See §§ 516.812 and 522.812 of this chapter.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
