21 CFR § 556.745
Tulathromycin
June 25, 2020
(a) Acceptable daily intake (ADI). The ADI for total residue of tulathromycin is 15 µg/kg of body weight per day.
(b) Tolerances. The tolerances for CP-60,300 (marker residue) are:
(1) Cattle. Liver (target tissue): 5.5 ppm.
(2) Swine. Kidney (target tissue): 15 ppm.
(c) Related conditions of use. See §522.2630 of this chapter.