Bacitracin zinc.
21 C.F.R. § 558.78
in effectEffective: 2024-07-01(a) Specifications. Type A medicated articles containing bacitracin zinc equivalent to 10, 25, 40, or 50 grams per pound bacitracin.
(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.
(c) Related tolerances. See § 556.70 of this chapter.
(d) Conditions of use. (1) It is used as follows:
(2) It is used in feed for growing cattle at 35 to 70 milligrams per head per day as follows:
(i) To aid in stimulating growth and improving feed efficiency.
(ii) For increased rate of weight gain and improved feed efficiency; see sponsor 054771.
(3) Bacitracin zinc may also be used in combination with:
(i) Amprolium and ethopabate as in § 558.58.
(ii) Clopidol as in § 558.175.
(iii) Decoquinate as in § 558.195.
(iv) Lasalocid as in § 558.311.
(v) Monensin as in § 558.355.
(vi) Naracin as in § 558.363.
(vii) Nicarbazin as in § 558.366.
(viii) Robenidine as in § 558.515.
(ix) Salinomycin as in § 558.550.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
