{"data":{"id":"us/21-cfr-556.222","jurisdiction":"us","citation":"21 CFR 556.222","heading":"Doramectin.","body":"(a) Acceptable daily intake (ADI). The ADI for total residue of doramectin is 0.75 µg/kg of body weight per day.\n(b) Tolerances. The tolerances for doramectin (marker residue) are:\n(1) Cattle. (i) Liver (target tissue): 300 ppb.\n(ii) Muscle: 30 ppb.\n(2) Swine. Liver (target tissue): 160 ppb.\n(c) Related conditions of use. See §§ 522.770, 522.772, and 524.770 of this chapter.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS","PART 556—TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD","Subpart B—Specific Tolerances for Residues of Approved and Conditionally Approved New Animal Drugs"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"636c724a5eaae8e7db9d943aa2443ca81eb462c9c98e6398a8a2f05ea9c3bd49","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-556.200","next":"us/21-cfr-556.224"},"notice":"GroundRules: Original legal text. Not legal advice."}