21 CFR 522.2340
§ 522.2340 Sulfomyxin.
United States · 21 CFR — Food and Drugs · Status: effective
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- Citation
- 21 CFR 522.2340, § 522.2340 Sulfomyxin, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87540
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Full text
(a) Specifications. Sulfomyxin for injection is sterile. It is derived from the antibiotic substance produced by the growth of Bacillus polymyxa or is the same substance produced by any other means.
(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.
(c) Special considerations. The quantities of antibiotic in paragraph (e) of this section refer to the activity of the appropriate standard.
(d) Related tolerances. See § 556.700 of this chapter.
(e) Conditions of use.
(1) It is used or intended for use in chickens and turkeys as an aid in the treatment of disease caused or complicated by E. coli, such as colibacillosis and complicated chronic respiratory disease.
(2) It is administered by subcutaneous injection as follows:
(3) A second injection may be given 3 days later if symptoms persist.
(4) Not for use in laying hens; do not treat chickens within 5 days of slaughter. Do not treat turkeys within 7 days of slaughter. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.