21 C.F.R. § 556.430
Neomycin.
Cite as 21 C.F.R. § 556.430 (2026)
(a)
Acceptable daily intake (ADI).
The ADI for total residue of neomycin is 6 µg/kg of body weight per day.
(b)
Tolerances.
The tolerances for neomycin are:
(1)
Cattle.
(i) Kidney (target tissue): 7.2 ppm.
(ii) Liver: 3.6 ppm.
(iii) Muscle: 1.2 ppm.
(iv) Fat: 7.2 ppm.
(v) Milk: 0.15 ppm.
(2)
Sheep and goats.
(i) Kidney (target tissue): 7.2 ppm.
(ii) Liver: 3.6 ppm.
(iii) Muscle: 1.2 ppm.
(iv) Fat: 7.2 ppm.
(v) Milk: 0.15 ppm.
(3)
Swine.
(i) Kidney (target tissue): 7.2 ppm.
(ii) Liver: 3.6 ppm.
(iii) Muscle: 1.2 ppm.
(iv) Fat: 7.2 ppm.
(4)
Turkeys.
(i) Skin with adhering fat: 7.2 ppm.
(ii) Liver: 3.6 ppm.
(iii) Muscle: 1.2 ppm.
(c)
Related conditions of use.
See §§ 520.1484, 524.1600b, 558.365, and 558.455 of this chapter.
- Cross-references to the CFR
- 520.1484