Nicarbazin.
21 C.F.R. § 558.366
in effectEffective: 2024-07-01(a) Specifications. Type A medicated articles containing 25 percent nicarbazin.
(b) Sponsors. See Nos. 060728, 066104, and 069254 in § 510.600(c) of this chapter.
(c) Related tolerances. See § 556.445 of this chapter.
(d) Conditions of use. It is used as follows:
(1) Chickens—
(2) Nicarbazin single-ingredient Type A medicated articles may also be used in combination with:
(i) [Reserved]
(ii) Virginiamycin as in § 558.635.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
