StacksVerified U.S. regulatory reference

21 CFR §558.515

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Specifications. Type A medicated articles containing 30 grams per pound.
  2. (b)Sponsor. See No. 054771 in § 510.600(c) of this chapter.
  3. (c)Related tolerances. See § 556.580 of this chapter.
  4. (d)Special considerations. Type C feed containing robenidine hydrochloride must be fed within 50 days from the date of manufacture. Do not use in Type B or Type C medicated feeds containing bentonite.
  5. (e)Conditions of use. It is used in feed for chickens as follows:
  6. (f)Robenidine may also be used in combination with:
    1. (1)Chlortetracycline as in § 558.128.
    2. (2)Lincomycin as in § 558.325.
    3. (3)Oxytetracycline as in § 558.450.