§ 556.750. Virginiamycin.
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/us/cfr/t21/s§ 556.750·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(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]