21 C.F.R. § 558.460 Penicillin.
Title 21 - Food and Drugs
(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: (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. [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]
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
§ 558.460 Penicillin.
---------------------------------------------------------------------------------------------------------------- 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..----------------------------------------------------------------------------------------------------------------

