21 C.F.R. § 558.78 Bacitracin zinc.
Title 21 - Food and Drugs
(a) Specifications. Type A medicated articles containing bacitracin zinc equivalent to 5, 10, 25, 40, or 50 grams per pound bacitracin. (b) Approvals. See sponsors in §510.600(c) of this chapter for uses as follows: (1) No. 046573: 10, 25, 40, and 50 grams per pound for uses as in paragraph (d) of this section. (2) No. 048164: 5 and 50 grams per pound for use as in as in paragraph (d)(1)(i) of this section. (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 046573. (3) It may be used as approved in combination with: (i) Amprolium alone and with roxarsone as in §558.55. (ii) Amprolium and ethopabate alone and with roxarsone as in §558.58. (iii) Carbarsone as in §558.120. (iv) Clopidol alone and with roxarsone as in §558.175. (v) Decoquinate alone and with roxarsone as in §558.195. (vi) Hygromycin B alone and with penicillin as in §558.274. (vii) Lasalocid sodium alone or with roxarsone as in §558.311. (viii) Monensin alone and with roxarsone as in §558.355. (ix) Naracin as in §558.363. (x) Nitarsone as in §558.369. (xi) Robenidine as in §558.515. (xii) Salinomycin alone and with roxarsone as in §558.550. (xiii) Zoalene alone and with arsanilic acid or roxarsone as in §558.680. [41 FR 10994, Mar. 15, 1976] Editorial Note: For
Title 21: Food and Drugs
PART 558—NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS
Subpart B—Specific New Animal Drugs for Use in Animal Feeds
§ 558.78 Bacitracin zinc.
----------------------------------------------------------------------------------------------------------------Bacitracin zinc in grams per Combinations in grams ton per ton Indications for use Limitations Sponsor----------------------------------------------------------------------------------------------------------------(i) 4 to 50................. ....................... Chickens: for Growing chickens...... 046573 increased rate of 048164 weight gain and improved feed efficiency.(ii) 4 to 50................ ....................... Turkeys and pheasants: Growing turkeys and 046573 for increased rate of pheasants. weight gain and improved feed efficiency.(iii) 5 to 20............... ....................... Quail; for increased Growing quail; feed as 046573 rate of weight gain the Type C feed to and improved feed starting quail efficiency. through 5 weeks of age.(iv) 10 to 25............... ....................... Laying chickens; ...................... 046573 improved feed efficiency and increased egg production.(v) 10 to 50................ ....................... Swine; increased rate Growing and finishing 046573 of weight gain and swine. improved feed efficiency.(vi) 20..................... ....................... Growing-finishing In Type C feed........ 046573 swine; increased rate of weight gain.(vii) 20 to 40.............. ....................... Growing-finishing ......do.............. 046573 swine; improved feed efficiency.----------------------------------------------------------------------------------------------------------------

