21 CFR 556.500 - Oxytetracycline.

§ 556.500 Oxytetracycline.

(a)Acceptable daily intake (ADI). The ADI for total tetracycline residues (chlortetracycline, oxytetracycline, and tetracycline) is 25 micrograms per kilogram of body weight per day.

(b)Beef cattle, dairy cattle, calves, swine, sheep, chickens, turkeys, finfish, and lobster. Tolerances are established for the sum of residues of the tetracyclines including chlortetracycline, oxytetracycline, and tetracycline, in tissues and milk as follows:

(1) 2 parts per million (ppm) in muscle.

(2) 6 ppm in liver.

(3) 12 ppm in fat and kidney.

(4) 0.3 ppm in milk.

[ 63 FR 57246, Oct. 27, 1998, as amended at 66 FR 46370, Sept. 5, 2001; 69 FR 6557, Feb. 11, 2004]

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code

Title 21 published on 19-May-2018 03:57

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 21 CFR Part 556 after this date.

  • 2018-03-30; vol. 83 # 62 - Friday, March 30, 2018
    1. 83 FR 13632 - New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Applications; Changes of Sponsorship; Change of a Sponsor's Name and Address
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final rule; technical amendments.
      This rule is effective March 30, 2018, except for amendatory instructions 3 to 21 CFR 510.600, 9 to 21 CFR 522.300, 10 to 21 CFR 522.540, and 11 to 21 CFR 522.1081, which are effective April 9, 2018.
      21 CFR Parts 510, 520, 522, 524, 556, and 558