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Title 21: Food and Drugs
CHAPTER I: FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED)
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
558.175 - Clopidol.
(a) Specifications. Type A medicated article containing 25 percent clopidol.
(b) Approvals. See No. 016592 in ? 510.600(c) of this chapter.
(c) [Reserved]
(d) Conditions of use. It is used as follows:
| Clopidol in grams per ton | Combination in grams per ton | Indications for use | Limitations | Sponsor |
| (1) 113.5 | Broiler chickens and re-placement chickens intended for use as caged layers: As an aid in the prevention of coccidiosis caused by E. tenella, E. necatrix, E. acervulina, E. maxima, E. brunetti, and E. mivati | Do not feed to chickens over 16 weeks of age | 016592 | |
| (2) 113.5 | Bacitracin methylene disalicylate 4 to 50 | Broiler chickens: As in paragraph (d)(1) of this section; for increased rate of weight gain | Feed continuously as the sole ration from the time chicks are placed in floor pens until slaughter. Do not feed to chickens over 16 weeks of age; bacitracin methylene disalicylate as provided by No. 046573 in ? 510.600(c) of this chapter | 016592 |
| (3) 113.5 | Bacitracin 4 to 25 plus roxarsone 45.4 | Broiler chickens: As in paragraph (d)(1) of this section; for growth promotion, feed efficiency; improved pigmentation, and increased rate of weight gain | Do not feed to chickens over 16 weeks of age; withdraw 5 days before slaughter; as sole source of organic arsenic; as bacitracin methylene disalicylate or bacitracin zinc provided by No. 046573 in ? 510.600(c) of this chapter | 046573, 016592 |
| (4) 113.5 | Bacitracin zinc 5 to 25 | Broiler chickens: As in paragraph (d)(1) of this section; for increased rate of weight gain and improved feed efficiency | Feed continuously as sole ration; bacitracin zinc as provided by No. 046573 in ? 510.600(c) of this chapter | 046573, 016592 |
| (5) 113.5 | Chlortetracycline 100 to 200 | Broiler and replacement chickens: As in paragraph (d)(1) of this section; for control of infectious synovitis caused by Mycoplasma synoviae susceptible to chlortetracycline | Feed continuously as sole ration from the time chicks are placed in floor pens for 7 to 14 days | 016592 |
| (6) 113.5 | Lincomycin 2 to 4 | Broiler chickens: As in paragraph (d)(1) of this section; for increased rate of weight gain and improved feed efficiency | Do not feed to chickens over 16 weeks of age; as lincomycin hydrochloride monohydrate | 000009 |
| (7) 113.5 | Roxarsone 45.4 | Broiler and replacement chickens intended for use as caged layers: As in paragraph (d)(1) of this section; for growth promotion, feed efficiency; and improved pigmentation | Do not feed to chickens over 16 weeks of age; withdraw 5 days before slaughter; as sole source of organic arsenic | 016592 |
| (8) 227 | Broiler and replacement chickens intended for use as caged layers: As in paragraph (d)(1) of this section | Feed continuously as the sole ration; feed up to 16 weeks of age if intended for use as caged layers; withdraw 5 days before slaughter if given at the level of 0.025 percent in feed or reduce level to 0.0125 percent 5 days before slaughter | 016592 | |
| (9) 113.5 or 227 | Turkeys: As an aid in the prevention of leucocytozoonosis caused by Leucocytozoon smithi | For turkeys grown for meat purposes only; feed continuously as the sole ration at 0.0125 or 0.025 percent clopidol depending on management practices, degree of exposure, and amount of feed eaten; withdraw 5 days before slaughter | 016592 |
[68 FR 17882, Apr. 14, 2003, as amended at 72 FR 60551, Oct. 25, 2007; 74 FR 61028, Nov. 23, 2009]
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