Title 21: Food and Drugs
« Home / Title 21 - Food and Drugs--Volume 6 / 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 / § 558.364 Narasin and nicarbazin.
§ 558.364 Narasin and nicarbazin.
(a) Specifications. A fixed-ratio, combination drug Type A medicated article containing 36 grams narasin and 36 grams nicarbazin per pound.
(b) Sponsor. See No. 058198 in § 510.600(c) of this chapter.
(c) Tolerances. See §§ 556.428 and 556.445 of this chapter.
(d) Conditions of use. It is used as follows:
(1) Chickens -
Narasin and
nicarbazin grams/ton | Combination in grams/ton | Indications for use | Limitations | Sponsor |
---|---|---|---|---|
(i) 27 to 45 of each drug | Broiler chickens: For prevention of coccidiosis caused by | Feed continuously as the sole ration. Do not feed to laying hens. Do not allow adult turkeys, horses, or other equines access to formulations containing narasin. Ingestion of narasin by these species has been fatal. The two drugs can be combined only at a 1:1 ratio for the 27 to 45 grams per ton range. Only granular nicarbazin as provided by No. 058198 in § 510.600(c) of this chapter may be used in the combination | 058198 | |
(ii) 27 to 45 of each drug | Bacitracin methylenedisalicylate, 4 to 50 | Broiler chickens: For prevention of coccidiosis caused by | Feed continuously as sole ration. Do not feed to laying hens. Withdraw 5 days before slaughter. Do not allow turkeys, horses, or other equines access to formulations containing narasin. Ingestion of narasin by these species has been fatal. Bacitracin methylenedisalicylate as provided by No. 054771 in § 510.600(c) of this chapter | 058198 |
(iii) 27 to 45 of each drug | Bacitracin methylenedisalicylate, 50 | Broiler chickens: For prevention of coccidiosis caused by | Feed continuously as sole ration. Withdraw 5 days before slaughter. Do not feed to laying hens. Do not allow turkeys, horses, or other equines access to formulations containing narasin. Ingestion of narasin by these species has been fatal. Bacitracin methylenedisalicylate as provided by No. 054771 in § 510.600(c) of this chapter | 054771 |
(iv) 27 to 45 of each drug | Bacitracin methylenedisalicylate, 100 to 200 | Broiler chickens: For prevention of coccidiosis caused by | To control necrotic enteritis, start medication at first clinical signs of disease; vary dosage based on the severity of infection; administer continuously for 5 to 7 days or as long as clinical signs persist, then reduce bacitracin to prevention level (50 g/ton). Do not feed to laying hens. Withdraw 5 days before slaughter. Do not allow turkeys, horses, or other equines access to formulations containing narasin. Ingestion of narasin by these species has been fatal. Bacitracin methylenedisalicylate as provided by No. 054771 in § 510.600(c) of this chapter | 054771 |
(v) 27 to 45 of each drug | Bambermycins, 1 to 2 | Broiler chickens: As an aid in preventing outbreaks of cecal ( | Feed continuously as sole ration from time chicks are placed on litter until past the time when coccidiosis is ordinarily a hazard. Do not use as a treatment for coccidiosis. Do not feed to laying hens. Withdraw 5 days before slaughter. Do not allow turkeys, horses, or other equines access to formulations containing narasin. Ingestion of narasin by these species has been fatal. Bambermycins as provided by No. 016592 in § 510.600(c) of this chapter | 058198 |
(2) Narasin and nicarbazin fixed-ratio, combination drug Type A medicated articles may also be used in combination with:
(i) Avilamycin as in § 558.68.
(ii) [Reserved]