{"data":{"id":"us/21-cfr-556.426","jurisdiction":"us","citation":"21 CFR 556.426","heading":"Moxidectin.","body":"(a) Acceptable daily intake (ADI). The ADI for total residue of moxidectin is 4 µg/kg of body weight per day.\n(b) Tolerances. The tolerances for moxidectin (marker residue) are:\n(1) Cattle. (i) Fat (target tissue): 900 ppb.\n(ii) Liver: 200 ppb.\n(iii) Muscle: 50 ppb.\n(iv) Milk: 40 ppb.\n(2) Sheep. (i) Fat (target tissue): 900 ppb.\n(ii) Liver: 200 ppb.\n(iii) Muscle: 50 ppb.\n(c) Related conditions of use. See §§ 520.1454, 522.1450, and 524.1450 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":"421573db4c3ea22fc255249d1868c631cbc9bfacbd2d1bebf7ddf7dfdb5e49b1","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-556.425","next":"us/21-cfr-556.428"},"notice":"GroundRules: Original legal text. Not legal advice."}