StacksVerified U.S. regulatory reference

21 CFR §556.600

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 spectinomycin is 25 µg/kg of body weight per day.
  2. (b)Tolerances. The tolerances for spectinomycin are:
    1. (1)Cattle.
      1. (i)Kidney (target tissue): 4 ppm spectinomycin (marker residue).
      2. (ii)Muscle: 0.25 ppm.
    2. (2)Chickens and turkeys. Edible tissues (excluding eggs): 0.1 ppm.
    3. (3)Swine. Edible tissues: Not required.
  3. (c)Related conditions of use. See §§ 520.1265, 520.2123b, 520.2123c, 522.2120, and 522.2121 of this chapter.