StacksVerified U.S. regulatory reference

21 CFR §558.300

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Specifications. Type A medicated article containing 2.72 grams ivermectin per pound (g/lb).
  2. (b)Sponsor. See No. 000010 in § 510.600(c) of this chapter.
  3. (c)Related tolerances. See § 556.344 of this chapter.
  4. (d)Special considerations. See § 500.25 of this chapter.
  5. (e)Conditions of use in swine. It is used in feed as follows: