21 C.F.R. § 556.286
Flunixin.
Cite as 21 C.F.R. § 556.286 (2026)
(a)
Acceptable daily intake (ADI).
The ADI for total residue of flunixin is 0.72 µg/kg of body weight per day.
(b)
Tolerances.
The tolerances for flunixin are:
(1)
Cattle.
(i) Liver (target tissue): 125 ppb flunixin free acid (marker residue).
(ii) Muscle: 25 ppb flunixin free acid.
(iii) Milk: 2 ppb 5-hydroxy flunixin (marker residue).
(2)
Swine.
(i) Liver (target tissue): 30 ppb flunixin free acid (marker residue).
(ii) Muscle: 25 ppb flunixin free acid.
(c)
Related conditions of use.
See §§ 522.956, 522.970, 522.1664, and 524.970 of this chapter.
- Cross-references to the CFR
- 522.956