21 CFR § 558.680
Zoalene
June 25, 2020
(a) Specifications. Type A medicated article containing 25 percent zoalene.
(b) Approvals. See No. 054771 in §510.600(c) of this chapter.
(c) Related tolerances. See §556.770 of this chapter.
(d) Conditions of use—(1) Chickens—
Open Table
| Zoalene in grams/ton | Combination in grams per ton | Indications for use | Limitations | Sponsor |
|---|---|---|---|---|
| (i) 36.3 to 113.5 | Replacement chickens: For development of active immunity to coccidiosis | Grower ration not to be fed to birds over 14 weeks of age; as follows: | 054771 |
Open Table
| Growing conditions | Starter ration Grams per ton |
Grower ration Grams per ton |
|---|---|---|
| Severe exposure | 113.5 (0.0125%) | 75.4-113.5 (0.0083%-0.0125%) |
| Light to moderate exposure | 75.4-113.5 (0.0083%-0.0125%) |
36.3-75.4 (0.004%-0.0083%) |
Open Table
| Zoalene in grams/ton | Combination in grams per ton | Indications for use | Limitations | Sponsor |
|---|---|---|---|---|
| (ii) 36.3-113.5 | Bacitracin methylenedisalicylate 4 to 50 | Replacement chickens: For development of active immunity to coccidiosis; and for increased rate of weight gain and improved feed efficiency | Feed 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 chapter | 054771 |
| (iii) 36.3-113.5 | Bacitracin methylenedisalicylate 50 | Replacement chickens: For development of active immunity to 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 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 chapter | 054771 |
| (iv) 36.3-113.5 | Bacitracin methylenedisalicylate 100 to 200 | Replacement 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 bacitracin | Feed continuously as sole ration as in 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 chapter | 054771 |
| (v) 113.5 | Broiler chickens: For prevention and control of coccidiosis | Feed continuously as sole ration | 054771 | |
| (vi) 113.5 | Bacitracin methylenedisalicylate 4 to 50 | Broiler chickens: As an aid in the prevention and control of coccidiosis; and for increased rate of weight gain and improved feed efficiency | Feed continuously as sole ration. Bacitracin methylenedisalicylate as provided by No. 054771 in §510.600(c) of this chapter | 054771 |
| (vii) 113.5 | Bacitracin methylenedisalicylate 50 | Broiler 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 bacitracin | Feed continuously as sole ration. Bacitracin methylenedisalicylate as provided by No. 054771 in §510.600(c) of this chapter | 054771 |
| (viii) 113.5 | Bacitracin methylenedisalicylate 100 to 200 | Broiler 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 bacitracin | Feed 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 chapter |
054771 |
| (ix) 113.5 | Bambermycins 1 | Broiler chickens: As an aid in the prevention and control of coccidiosis; and for increased rate of weight gain and improved feed efficiency | Feed 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 chapter | 016592 |
(2) Turkeys—
Open Table
| Zoalene in grams/ton | Combination in grams per ton | Indications for use | Limitations | Sponsor |
|---|---|---|---|---|
| (i) 113.5 to 170.3 | Growing turkeys: For prevention and control of coccidiosis | Feed continuously as sole ration. For turkeys grown for meat purposes only. Do not feed to laying birds | 054771 | |
| (ii) 113.5 to 170.3 | Bacitracin methylenedisalicylate 4 to 50 | Growing turkeys: For prevention and control of coccidiosis; and for increased rate of weight gain and improved feed efficiency | Feed continuously as sole ration until 14 to 16 weeks of age. For turkeys grown for meat purposes only. Do not feed to laying birds | 054771 |
(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]
Tried the LawStack mobile app?
Join thousands and try LawStack mobile for FREE today.
- Carry the law offline, wherever you go.
- Download CFR, USC, rules, and state law to your mobile device.
