21 CFR § 556.750
Virginiamycin
June 25, 2020
(a) Acceptable daily intake (ADI). The ADI for total residue of virginiamycin is 250 µg/kg of body weight per day.
(b) Tolerances. The tolerances for virginiamycin are:
(1) Cattle. Edible tissues (excluding milk): Not required.
(2) Chickens. Edible tissues (excluding eggs): Not required.
(3) Swine.
(i) Kidney, skin, and fat: 0.4 ppm.
(ii) Liver: 0.3 ppm.
(iii) Muscle: 0.1 ppm.
(c) Related conditions of use. See §558.635 of this chapter.
[84 FR 32993, July 11, 2019, as amended at 85 FR 18121, Apr. 1, 2020]