21 CFR § 556.169
Danofloxacin
June 25, 2020
(a) Acceptable daily intake (ADI). The ADI for total residue of danofloxacin is 2.4 µg/kg of body weight per day.
(b) Tolerances. The tolerances for danofloxacin (marker residue) are:
(1) Cattle.
(i) Liver (target tissue): 0.2 ppm.
(ii) Muscle: 0.2 ppm.
(2) [Reserved]
(c) Related conditions of use. See §522.522 of this chapter.