{"data":{"id":"us/21-cfr-556.710","jurisdiction":"us","citation":"21 CFR 556.710","heading":"Testosterone.","body":"(a) [Reserved]\n(b) Residues. Residues of testosterone are not permitted in excess of the following increments above the concentrations of testosterone naturally present in untreated animals:\n(1) Cattle. (i) Fat: 2.6 ppb.\n(ii) Kidney: 1.9 ppb.\n(iii) Liver: 1.3 ppb.\n(iv) Muscle: 0.64 ppb.\n(2) [Reserved]\n(c) Related conditions of use. See § 522.2343 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":"184fd91bad5fcaa94d7079ed7481113df3c4f8841e54aa2d552ce0071d5583f5","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-556.700","next":"us/21-cfr-556.720"},"notice":"GroundRules: Original legal text. Not legal advice."}