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Code · CFR · Title 21 — Food and Drugs · Part 558 — New Animal Drugs for Use in Animal Feeds · § 558.680

§ 558.680. Zoalene.

878 words·~4 min read·/us/cfr/t21/s§ 558.680·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)Specifications. Type A medicated article containing 25 percent zoalene.
(b)Sponsors. See Nos. 054771 and 058198 in § 510.600(c) of this chapter.
(c)Related tolerances. See § 556.770 of this chapter.
(d)Conditions of use—(1) Chickens— Zoalene in grams/ton Combination in grams per ton Indications for use Limitations Sponsor
(i)36.3 to 113.5Replacement chickens: For development of active immunity to coccidiosisFeed continuously as sole ration. Grower ration not to be fed to birds over 14 weeks of age. Starter ration not to be fed to laying birds054771 058198 Growing conditions Starter ration Grams per ton Grower ration Grams per ton Severe exposure113.5 (0.0125%)75.4-113.5 (0.0083%-0.0125%) Light to moderate exposure75.4-113.5 (0.0083%-0.0125%)36.3-75.4 (0.004%-0.0083%) Zoalene in grams/ton Combination in grams per ton Indications for use Limitations Sponsor
(ii)36.3-113.5Bacitracin methylenedisalicylate 4 to 50Replacement chickens: For development of active immunity to coccidiosis; and for increased rate of weight gain and improved feed efficiencyFeed continuously as sole ration as in subtable in item (i). Grower ration not to be fed to birds over 14 weeks of age. Bacitracin methylenedisalicylate as provided by No. 054771 in § 510.600(c) of this chapter054771
(iii)36.3 to 113.5Bacitracin methylenedisalicylate, 50Replacement chickens: For development of active immunity to coccidiosis; and as an aid in the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to bacitracinFeed continuously as the sole ration as in the subtable in item (i). Grower ration not to be fed to birds over 14 weeks of age. Bacitracin methylenedisalicylate as provided by No. 054771 in § 510.600(c) of this chapter054771 058198
(iv)36.3 to 113.5Bacitracin methylenedisalicylate, 100 to 200Replacement chickens: For development of active immunity to coccidiosis; and as an aid in the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to bacitracinFeed continuously as sole ration as in the subtable in item (i). To control necrotic enteritis, start medication at first clinical signs of disease; vary bacitracin 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). Bacitracin methylenedisalicylate as provided by No. 054771 in § 510.600(c) of this chapter054771 058198
(v)113.5Broiler chickens: For prevention and control of coccidiosisFeed continuously as sole ration. Not to be fed to laying birds054771 058198
(vi)113.5Bacitracin methylenedisalicylate 4 to 50Broiler chickens: As an aid in the prevention and control of coccidiosis; and for increased rate of weight gain and improved feed efficiencyFeed continuously as sole ration. Bacitracin methylenedisalicylate as provided by No. 054771 in § 510.600(c) of this chapter054771
(vii)113.5Bacitracin methylenedisalicylate, 50Broiler chickens: For prevention and control of coccidiosis; and as an aid in the prevention of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to bacitracinFeed continuously as the sole ration. Bacitracin methylenedisalicylate as provided by No. 054771 in § 510.600(c) of this chapter054771 058198
(viii)113.5Bacitracin methylenedisalicylate, 100 to 200Broiler chickens: For prevention and control of coccidiosis; and as an aid in the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to bacitracinFeed continuously as sole ration. To control necrotic enteritis, start medication at first clinical signs of disease; vary bacitracin 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). Bacitracin methylenedisalicylate as provided by No. 054771 in § 510.600(c) of this chapter054771 058198
(ix)113.5Bambermycins 1Broiler chickens: As an aid in the prevention and control of coccidiosis; and for increased rate of weight gain and improved feed efficiencyFeed continuously as sole ration. Do not feed to chickens over 14 weeks of age. Bambermycins as provided by No. 016592 in § 510.600(c) of this chapter016592
(2)Turkeys— Zoalene in grams/ton Combination in grams/ton Indications for use Limitations Sponsor
(i)113.5 to 170.3Growing turkeys: For prevention and control of coccidiosisFeed continuously as sole ration. For turkeys grown for meat purposes only. Not to be fed to laying birds054771 058198
(ii)113.5 to 170.3Bacitracin methylenedisalicylate, 4 to 50Growing turkeys: For prevention and control of coccidiosis; and for increased rate of weight gain and improved feed efficiencyFeed continuously as sole ration until 14 to 16 weeks of age. For turkeys grown for meat purposes only. Not to be fed to laying birds054771 058198
(3)Zoalene may also be used in combination with: (i)-(ii) [Reserved]
(iii)Lincomycin as in § 558.325. [41 FR 11005, Mar. 15, 1976, as amended at 42 FR 18618, Apr. 8, 1977; 42 FR 20817, Apr. 22, 1977; 42 FR 36995, July 19, 1977; 51 FR 7401, Mar. 3, 1986; 52 FR 2686, Jan. 26, 1987; 55 FR 8461, Mar. 8, 1990; 57 FR 8403, Mar. 10, 1992; 57 FR 8578, Mar. 11, 1992; 61 FR 35957, July 9, 1996; 63 FR 38750, July 20, 1998; 67 FR 6868, Feb. 14, 2002; 71 FR 16223, Mar. 31, 2006; 71 FR 27958, May 15, 2006; 76 FR 17027, Mar. 28, 2011; 79 FR 10983, Feb. 27, 2014; 79 FR 13546, Mar. 11, 2014; 81 FR 17610, Mar. 30, 2016; 81 FR 95025, Dec. 27, 2016; 82 FR 21693, May 10, 2017; 86 FR 14827, Mar. 19, 2021; 87 FR 17948, Mar. 29, 2022]
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§ 558.680
Zoalene.
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