§ 556.720. Tetracycline.
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/us/cfr/t21/s§ 556.720·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 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.