Morantel.
21 C.F.R. § 556.425
in effectEffective: 2024-07-01(a) Acceptable daily intake (ADI). The ADI for total residue of morantel tartrate is 10 µg/kg of body weight per day.
(b) Tolerances. The tolerances for N-methyl-1,3-propanediamine (marker residue) are:
(1) Cattle. (i) Liver (target tissue): 0.7 ppm.
(ii) Milk: Not required.
(2) Goats. (i) Liver (target tissue): 0.7 ppm.
(ii) Milk: Not required.
(c) Related conditions of use. See §§ 520.1450a, 520.1450b, 520.1450c, and 558.360 of this chapter.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
