TITLE 21 - FOOD AND DRUGS

CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES

SUBCHAPTER E - ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS

PART 558 - NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS

subpart b - SPECIFIC NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS

558.460 - Penicillin.

  (a) Specifications. As penicillin procaine G or feed grade penicillin procaine.

  (b) Sponsors. Type A medicated articles: To 066104, 100 and 227 grams per pound. To 046573, 100 and 227 grams per pound.

  (c) Related tolerances. See 556.510 of this chapter.

  (d) Conditions of use. (1) It is used as follows: ---------------------------------------------------------------------------------------------------------------- Combination in grams Penicillin in grams per ton per ton Indications for use Limitations Sponsor ---------------------------------------------------------------------------------------------------------------- (i) 2.4 to 50.................... .................... Chickens, turkeys, and Do not feed to 000069, pheasants; for poultry producing 046573.

increased rate of eggs for human weight gain and consumption..

improved feed efficiency..

  (ii) 5 to 20..................... .................... Quail; for increased Quail; not over 5 Do.

rate of weight gain weeks of age..

and improved feed efficiency..

  (iii) 10 to 50................... .................... Swine; for increased ................... Do.

rate of weight gain and improved feed efficiency..

---------------------------------------------------------------------------------------------------------------- (2) Penicillin may be used in accordance with the provisions of this section in the combinations provided as follows: (i) Amprolium in accordance with 558.55.

  (ii) Amprolium plus ethopatbate in accordance with 558.58.

  (iii)(v) [Reserved] (vi) Hygromycin B in accordance with 558.274.

  (vii) Roxarsone and zoalene in accordance with 558.680.

  (viii) Zoalene in accordance with 558.680.

[41 FR 11004, Mar. 15, 1976, as amended at 42 FR 18618, Apr. 8, 1977; 42 FR 36995, July 19, 1977; 47 FR 42103, Sept. 24, 1982; 51 FR 7399, Mar.

3, 1986; 52 FR 2686, Jan. 26, 1987; 58 FR 30120, May 26, 1993; 60 FR 39847, Aug. 4, 1995; 63 FR 36179, July 2, 1998; 65 FR 45880, July 26, 2000; 66 FR 47963, Sept. 17, 2001]