21 CFR § 558.366
Nicarbazin
June 25, 2020
(a) Specifications. Type A medicated articles containing 25 percent nicarbazin.
(b) Sponsors. See Nos. 058198, 060728, and 066104 in §510.600(c) of this chapter for use as in paragraph (d) of this section.
(c) Related tolerances. See §556.445 of this chapter.
(d) Conditions of use. It is used as follows:
(1) Chickens—
Open Table
| Nicarbazin in grams per ton |
Combination in grams per ton |
Indications for use | Limitations | Sponsor |
|---|---|---|---|---|
| (i) 90.8 to 181.6 | Broiler chickens: As an aid in preventing outbreaks of cecal (Eimeria tenella) and intestinal (E. acervulina, E. maxima, E. necatrix, and E. brunetti) coccidiosis | 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 outbreaks of coccidiosis. Do not use in flushing mashes. Do not feed to laying hens. Withdraw 4 days before slaughter for use levels at or below 113.5 g/ton. Withdraw 5 days before slaughter for use levels above 113.5 g/ton | 066104 | |
| (ii) 90.8 to 181.6 | Bacitracin methylenedisalicylate, 4 to 50 | Broiler chickens: As an aid in preventing outbreaks of cecal (Eimeria tenella) and intestinal (E. acervulina, E. maxima, E. necatrix, and E. brunetti) coccidiosis, and for increased rate of weight gain and improved feed efficiency | 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 outbreaks of coccidiosis. Do not use in flushing mashes. Do not feed to laying hens. Withdraw 4 days before slaughter for use levels at or below 113.5 g/ton. Withdraw 5 days before slaughter for use levels above 113.5 g/ton. Nicarbazin as provided by No. 066104; bacitracin methylenedisalicylate as provided by No. 054771 in §510.600(c) of this chapter | 054771 |
| (iii) 90.8 to 181.6 | Bacitracin methylenedisalicylate, 30 | Broiler chickens; As an aid in preventing outbreaks of cecal (Eimeria tenella) and intestinal (E. acervulina, E. maxima, E. necatrix, and E. brunetti) coccidiosis, and for increased rate of weight gain and improved feed efficiency | 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 use in flushing mashes. Do not feed to laying hens. Withdraw 4 days before slaughter for use levels at or below 113.5 g/ton. Withdraw 5 days before slaughter for use levels above 113.5 g/ton. Nicarbazin as provided by No. 066104; bacitracin methylenedisalicylate as provided by No. 054771 in §510.600(c) of this chapter | 066104 |
| (iv) 90.8 to 181.6 | Bacitracin methylenedisalicylate 50 | Broiler chickens: As an aid in preventing outbreaks of cecal (Eimeria tenella) and intestinal (E. acervulina, E. maxima, E. necatrix, and E. brunetti) coccidiosis, and as an aid in the prevention of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to bacitracin | 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 outbreaks of coccidiosis. Do not use in flushing mashes. Do not feed to laying hens. Withdraw 4 days before slaughter for use levels at or below 113.5 g/ton. Withdraw 5 days before slaughter for use levels above 113.5 g/ton. Nicarbazin as provided by No. 066104; bacitracin methylenedisalicylate as provided by No. 054771 in §510.600(c) of this chapter | 054771 |
| (v) 113.5 | Chickens: As an aid in preventing outbreaks of cecal (Eimeria tenella) and intestinal (E. acervulina, E. maxima, E. necatrix, and E. brunetti) coccidiosis | 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 use in flushing mashes. Do not feed to laying hens. Withdraw 4 days before slaughter | 058198 060728 |
|
| (vi) 113.5 | Bacitracin methylenedisalicylate, 30 | Broiler chickens; aid in preventing outbreaks of cecal (Eimeria tenella) and intestinal (E. acervulina, E. maxima, E. necatrix, and E. brunetti) coccidiosis, and for increased rate of weight gain and improved feed efficiency | 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 use in flushing mashes. Do not feed to laying hens. Withdraw 4 days before slaughter. Nicarbazin as provided by No. 066104; bacitracin methylenedisalicylate as provided by No. 054771 in §510.600(c) of this chapter | 060728 |
| (vii) 113.5 | Bacitracin zinc, 4 to 50 | Broiler chickens; aid in preventing outbreaks of cecal (Eimeria tenella) and intestinal (E. acervulina, E. maxima, E. necatrix, and E. brunetti) coccidiosis, and for increased rate of weight gain and improved feed efficiency | For broiler chickens only. 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 in flushing mashes. Do not feed to laying hens. Withdraw 4 days before slaughter. Nicarbazin as provided by No. 066104, bacitracin zinc as provided by No. 054771 in §510.600(c) of this chapter | 054771 066104 |
| (viii) 113.5 | Bambermycins, 1 to 2 | Broiler chickens: As an aid in preventing outbreaks of cecal (Eimeria tenella) and intestinal (E. acervulina, E. maxima, E. necatrix, and E. brunetti) coccidiosis, and for increased rate of weight gain and improved feed efficiency | 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 use in flushing mashes. Do not feed to laying hens. Withdraw 4 days before slaughter. Nicarbazin as provided by No. 066104; bambermycins as provided by No. 016592 in §510.600(c) of this chapter | 016592 |
(2) [Reserved]
[83 FR 64743, Dec. 18, 2018]
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