21 CFR § 556.426
Moxidectin
June 25, 2020
(a) Acceptable daily intake (ADI). The ADI for total residue of moxidectin is 4 µg/kg of body weight per day.
(b) Tolerances. The tolerances for moxidectin (marker residue) are:
(1) Cattle.
(i) Fat (target tissue): 900 ppb.
(ii) Liver: 200 ppb.
(iii) Muscle: 50 ppb.
(iv) Milk: 40 ppb.
(2) Sheep.
(i) Fat (target tissue): 900 ppb.
(ii) Liver: 200 ppb.
(iii) Muscle: 50 ppb.
(c) Related conditions of use. See §§520.1454, 522.1450, and 524.1450 of this chapter.