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Code of Federal Regulations (Last Updated: May 6, 2024) |
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Title 21 - Food and Drugs |
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Chapter I - Food and Drug Administration, Department of Health and Human Services |
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SubChapter E - Animal Drugs, Feeds, and Related Products |
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Part 556 - Tolerances for Residues of New Animal Drugs in Food |
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Subpart B - Specific Tolerances for Residues of New Animal Drugs |
§ 556.720 - Tetracycline.
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§ 556.720 Tetracycline.
(a) Acceptable daily intake (ADI). The ADI for total tetracycline residues (chlortetracycline, oxytetracycline, and tetracycline) is 25 micrograms per kilogram µg/kg of body weight per day.
(b) Tolerances. Tolerances are established The tolerances for the sum of tetracycline residues in tissues of calves, swine, sheep, chickens, and turkeys, of 2 parts per million (ppm) in muscle, 6 ppm in liver, and 12 ppm in fat and kidney.
[63 FR 57246, Oct. 27, 1998]
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.