1. (a) Specifications. Type A medicated articles containing bacitracin zinc equivalent to 10, 25, 40, or 50 grams per pound bacitracin.
2. (b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.
3. (c) Related tolerances. See § 556.70 of this chapter.

4. (d) Conditions of use.

   1. (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 efficiency	Growing chickens	054771
      (ii) 4 to 50		Turkeys and pheasants: for increased rate of weight gain and improved feed efficiency	Growing turkeys and pheasants	054771
      (iii) 5 to 20		Quail; for increased rate of weight gain and improved feed efficiency	Growing quail; feed as the Type C feed to starting quail through 5 weeks of age	054771
      (iv) 10 to 25		Laying chickens; improved feed efficiency and increased egg production		054771
      (v) 10 to 50		Swine; increased rate of weight gain and improved feed efficiency	Growing and finishing swine	054771
      (vi) 20		Growing-finishing swine; increased rate of weight gain	In Type C feed	054771
      (vii) 20 to 40		Growing-finishing swine; improved feed efficiency		054771

   2. (2) It is used in feed for growing cattle at 35 to 70 milligrams per head per day as follows:

      1. (i) To aid in stimulating growth and improving feed efficiency.
      2. (ii) For increased rate of weight gain and improved feed efficiency; see sponsor 054771.

   3. (3) Bacitracin zinc may also be used in combination with:

      1. (i) Amprolium and ethopabate as in § 558.58.
      2. (ii) Clopidol as in § 558.175.
      3. (iii) Decoquinate as in § 558.195.
      4. (iv) Lasalocid as in § 558.311.
      5. (v) Monensin as in § 558.355.
      6. (vi) Naracin as in § 558.363.
      7. (vii) Nicarbazin as in § 558.366.
      8. (viii) Robenidine as in § 558.515.

      9. (ix) Salinomycin as in § 558.550.

         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.

[41 FR 10994, Mar. 15, 1976]