21 C.F.R. § 556.500

Current through September 30, 2024
Section 556.500 - Oxytetracycline
(a)Acceptable daily intake (ADI). The ADI for total tetracycline residues (chlortetracycline, oxytetracycline, and tetracycline) is 25 [MICRO]g/kg of body weight per day.
(b)Tolerances. The tolerances for the sum of tetracycline residues are:
(1)Cattle.
(i) Muscle: 2 ppm.
(ii) Liver: 6 ppm.
(iii) Fat and kidney: 12 ppm.
(iv) Milk: 0.3 ppm.
(2)Chickens and turkeys.
(i) Muscle: 2 ppm.
(ii) Liver: 6 ppm.
(iii) Fat and kidney: 12 ppm.
(3)Finfish. Muscle (with adhering skin when edible): 2 ppm.
(4)Lobster. Muscle: 2 ppm.
(5)Swine and sheep.
(i) Muscle: 2 ppm.
(ii) Liver: 6 ppm.
(iii) Fat and kidney: 12 ppm.
(6)Honey. 750 ppb.
(c)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.

21 C.F.R. §556.500

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
84 FR 32993, 9/9/2019; as amended at 85 FR 18121, 4/1/2020; 88 FR 16549, 3/20/2023; 88 FR 55567, 8/16/2023