Title 21

SECTION 556.500

556.500 Oxytetracycline.

§ 556.500 Oxytetracycline.

(a) Acceptable daily intake (ADI). The ADI for total tetracycline residues (chlortetracycline, oxytetracycline, and tetracycline) is 25 µg/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 §§ 520.1660a, 520.1660c, 520.1660d, 522.1660a, 522.1660b, 522.1662a, 522.1664, 529.1660, 558.450, and 558.455 of this chapter.

[84 FR 32993, July 11, 2019, as amended at 85 FR 18121, Apr. 1, 2020]

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