§556.500. Oxytetracycline.
21 C.F.R. § 556.500
Acceptable daily intake (ADI). The ADI for total tetracycline residues (chlortetracycline, oxytetracycline, and tetracycline) is 25 µg/kg of body weight per day.
Tolerances. The tolerances for the sum of tetracycline residues are:
Cattle.
Muscle— 2 ppm.
Liver— 6 ppm.
Fat and kidney— 12 ppm.
Milk— 0.3 ppm.
Chickens and turkeys.
Muscle— 2 ppm.
Liver— 6 ppm.
Fat and kidney— 12 ppm.
Finfish. Muscle (with adhering skin when edible): 2 ppm.
Lobster. Muscle: 2 ppm.
Swine and sheep.
Muscle— 2 ppm.
Liver— 6 ppm.
Fat and kidney— 12 ppm.
Honey. 750 ppb.
Related conditions of use. See §§ 520.1660c, 520.1660d, 520.1664, 522.1660a, 522.1660b, 522.1662, 522.1664, 529.1660, 558.450, and 558.455 of this chapter.
Notes, amendments, and revision history
Amendments
[84 FR 32993, July 11, 2019, as amended at 85 FR 18121, Apr. 1, 2020; 88 FR 16549, Mar. 20, 2023, 88 FR 55567, Aug. 16, 2023]
Authority
Authority: 21 U.S.C. 342, 360b, 371.
Source
Source: 84 FR 32993, July 11, 2019, unless otherwise noted.
Amendments
[84 FR 32993, July 11, 2019, as amended at 85 FR 18121, Apr. 1, 2020; 88 FR 16549, Mar. 20, 2023, 88 FR 55567, Aug. 16, 2023]