CFR > 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 (parts 500 to 590) > PART 558—NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS > SUBPART B—Specific New Animal Drugs for Use in Animal Feeds (§558.55 to §558.680) > 558.460—Penicillin.

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:
Penicillin in grams per ton Combination in grams per ton Indications for use Limitations Sponsor
(i) 2.4 to 50 Chickens, turkeys, and pheasants; for increased rate of weight gain and improved feed efficiency. Do not feed to poultry producing eggs for human consumption. 000069, 046573.
(ii) 5 to 20 Quail; for increased rate of weight gain and improved feed efficiency. Quail; not over 5 weeks of age. Do.
(iii) 10 to 50 Swine; for increased rate of weight gain and improved feed efficiency. Do.
(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) Hygromycin B in accordance with § 558.274.
(iv) Nicarbazin alone or with roxarsone as in § 558.366.
(v) Roxarsone and zoalene in accordance with § 558.680.
(vi) Zoalene in accordance with § 558.680.

Code of Federal Regulations

[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; 71 FR 16227, Mar. 31, 2006]