StacksVerified U.S. regulatory reference

21 CFR §556.300

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Acceptable daily intake (ADI). The ADI for total residue of gentamicin is 60 µg/kg of body weight per day.
  2. (b)Tolerances. The tolerances for gentamicin are:
    1. (1)Chickens and turkeys. Edible tissues (excluding eggs): 0.1 ppm.
    2. (2)Swine.
      1. (i)Liver: 0.3 ppm.
      2. (ii)Kidney (target tissue): 0.4 ppm gentamicin (marker residue).
      3. (iii)Fat: 0.4 ppm.
      4. (iv)Muscle: 0.1 ppm.
  3. (c)Related conditions of use. See §§ 520.1044a, 520.1044b, 520.1044c, 522.1044, 524.1044e, and 529.1044b of this chapter.