StacksVerified U.S. regulatory reference

21 CFR §556.308

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 halofuginone hydrobromide is 0.7 µg/kg of body weight per day.
  2. (b)Tolerances. The tolerances for halofuginone (marker residue) are:
    1. (1)Chickens. Liver (target tissue): 0.16 ppm.
    2. (2)Turkeys. Liver (target tissue): 0.13 ppm.
  3. (c)Related conditions of use. See § 558.265 of this chapter.