21 CFR 556.750 - Virginiamycin.
(a)Acceptable daily intake (ADI). The ADI for total residues of virginiamycin is 250 micrograms per kilogram of body weight per day.
(1)Swine. Tolerances are established for residues of virginiamycin in uncooked edible tissues of 0.4 part per million (ppm) in kidney, skin, and fat, 0.3 ppm in liver, and 0.1 ppm in muscle.
(2)Broiler chickens and cattle. A tolerance for residues of virginiamycin is not required.