StacksVerified U.S. regulatory reference

21 CFR §556.710

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)[Reserved]
  2. (b)Residues. Residues of testosterone are not permitted in excess of the following increments above the concentrations of testosterone naturally present in untreated animals:
    1. (1)Cattle.
      1. (i)Fat: 2.6 ppb.
      2. (ii)Kidney: 1.9 ppb.
      3. (iii)Liver: 1.3 ppb.
      4. (iv)Muscle: 0.64 ppb.
    2. (2)[Reserved]
  3. (c)Related conditions of use. See § 522.2343 of this chapter.