Ivermectin.
21 C.F.R. § 558.300
in effectEffective: 2024-07-01(a) Specifications. Type A medicated article containing 2.72 grams ivermectin per pound (g/lb).
(b) Sponsor. See No. 000010 in § 510.600(c) of this chapter.
(c) Related tolerances. See § 556.344 of this chapter.
(d) Special considerations. See § 500.25 of this chapter.
(e) Conditions of use in swine. It is used in feed as follows:
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026