(a) Specifications. Type A medicated article containing:
(1) 22.7 grams (g) per pound (lb) (50 g/kilogram (kg)) semduramicin (as semduramicin sodium).
(2) 22.7 g/lb (50 g/kg) semduramicin (as semduramicin sodium biomass).
(b) Approvals. See No. 066104 in §510.600(c) of this chapter for use of product described in paragraph (a)(1) as in paragraph (d) of this section; for use of product described in paragraph (a)(2) as in paragraph (e) of this section.
(c) Related tolerances. See §556.597 of this chapter.
(d) Conditions of use in chickens. It is used in chicken feed as follows:
| Semduramicin in grams per ton | Combinations in grams per ton | Indications for use | Limitations | Sponsor |
|---|---|---|---|---|
| (1) 22.7 (25 ppm) | Broiler chickens: For the prevention of coccidiosis caused by Eimeria acervulina, E. brunetti, E. maxima, E. mivati/E. mitis, E. necatrix, and E. tenella. | Do not feed to laying hens. | 066104 | |
| (2) 22.7 | Bacitracin methylenedisalicylate 10 to 50 | Broiler chickens: As in paragraph (d)(1) of this section; for improved feed efficiency. | Feed continuously as sole ration. Do not feed to laying hens. Bacitracin methylenedisalicylate as provided by No. 054771 in §510.600(c) of this chapter. | 066104 |
(e) Conditions of use in chickens. It is used in chicken feed as follows:
| Semduramicin in grams per ton | Combination in grams per ton | Indications for use | Limitations | Sponsor |
|---|---|---|---|---|
| (1) 22.7 (25 ppm) | Broiler chickens: For the prevention of coccidiosis caused by Eimeria tenella, E. acervulina, E. maxima, E. brunetti, E. necatrix, and E. mitis. | Do not feed to laying hens. | 066104 | |
| (2) [Reserved] |
(f) Semduramycin may also be used in combination with virginiamycin as in §558.635.
[59 FR 17477, Apr. 13, 1994, as amended at 60 FR 57928, Nov. 24, 1995; 61 FR 29481, June 11, 1996; 61 FR 43451, Aug. 23, 1996; 61 FR 66584, Dec. 18, 1996; 62 FR 66985, Dec. 23, 1997; 64 FR 48296, Sept. 3, 1999; 66 FR 47964, Sept. 17, 2001; 69 FR 13221, Mar. 22, 2004; 70 FR 41961, July 21, 2005; 73 FR 812, Jan. 4, 2008; 74 FR 41631, Aug. 18, 2009; 79 FR 10983, Feb. 27, 2014; 79 FR 13546, Mar. 11, 2014; 81 FR 17609, Mar. 30, 2016; 81 FR 95013, Dec. 27, 2016]
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