Regulations last checked for updates: Nov 22, 2024

Title 21 - Food and Drugs last revised: Nov 19, 2024
§ 558.78 - Bacitracin zinc.

(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:

Bacitracin zinc in grams per ton Combinations in grams per ton Indications for use Limitations Sponsor
(i) 4 to 50 Chickens: for increased rate of weight gain and improved feed efficiencyGrowing chickens054771
(ii) 4 to 50 Turkeys and pheasants: for increased rate of weight gain and improved feed efficiencyGrowing turkeys and pheasants054771
(iii) 5 to 20Quail; for increased rate of weight gain and improved feed efficiencyGrowing quail; feed as the Type C feed to starting quail through 5 weeks of age054771
(iv) 10 to 25Laying chickens; improved feed efficiency and increased egg production054771
(v) 10 to 50Swine; increased rate of weight gain and improved feed efficiencyGrowing and finishing swine054771
(vi) 20Growing-finishing swine; increased rate of weight gainIn Type C feed054771
(vii) 20 to 40Growing-finishing swine; improved feed efficiency......do054771

(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.

[41 FR 10994, Mar. 15, 1976] Editorial Note:For Federal Register citations affecting § 558.78, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.
source: 40 FR 13959, Mar. 27, 1975, unless otherwise noted.
cite as: 21 CFR 558.78