(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.

[84 FR 32993, July 11, 2019, as amended at 86 FR 13188, Mar. 8, 2021]