StacksVerified U.S. regulatory reference

21 CFR §558.550

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Specifications. Type A medicated articles containing 30 or 60 grams of salinomycin sodium activity per pound.
  2. (b)Sponsor. See No. 016592 in § 510.600(c) of this chapter for use as in paragraph (e) of this section.
  3. (c)Related tolerances. See § 556.592 of this chapter.
  4. (d)Special considerations. Not approved for use with pellet binders.
  5. (e)Conditions of use. It is used as follows:
    1. (1)Chickens—
    2. (2)Game birds—
    3. (3)Combinations. Salinomycin may also be used in combination with:
      1. (i)Avilamycin as in § 558.68.
      2. (ii)Chlortetracycline as in § 558.128.
      3. (iii)Lincomycin as in § 558.325.
      4. (iv)Oxytetracycline as in § 558.450.
      5. (v)Virginiamycin as in § 558.635.