Regulations last checked for updates: Nov 25, 2024

Title 21 - Food and Drugs last revised: Nov 21, 2024
§ 556.720 - Tetracycline.

(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 and sheep. (i) Kidney and fat: 12 ppm.

(ii) Liver: 6 ppm.

(iii) Muscle: 2 ppm.

(2) Chickens and turkeys. (i) Kidney and fat: 12 ppm.

(ii) Liver: 6 ppm.

(iii) Muscle: 2 ppm.

(3) Swine. (i) Kidney and fat: 12 ppm.

(ii) Liver: 6 ppm.

(iii) Muscle: 2 ppm.

(c) Related conditions of use. See §§ 520.2345c and 520.2345d of this chapter.

authority: 21 U.S.C. 342,360b,371
source: 84 FR 32993, July 11, 2019, unless otherwise noted.
cite as: 21 CFR 556.720