CFR - Code of Federal Regulations Title 21

The information on this page is current as of Dec 22, 2023.

For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

[Code of Federal Regulations]

[Title 21, Volume 6]

[CITE: 21CFR522.2340]

TITLE 21--FOOD AND DRUGS

CHAPTER I--FOOD AND DRUG ADMINISTRATION
DEPARTMENT OF HEALTH AND HUMAN SERVICES

SUBCHAPTER E - ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS

PART 522 -- IMPLANTATION OR INJECTABLE DOSAGE FORM NEW ANIMAL DRUGS

Sec. 522.2340 Sulfomyxin.

(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:

Age of birds in days	Antibiotic activity
	Chickens (units)	Turkeys (units)
1 to 14	12,500	12,500
15 to 28	25,000	25,000
29 to 63	50,000	50,000
Over 63	50,000	100,000

(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.

[40 FR 13858, Mar. 27, 1975, as amended at 79 FR 16196, Mar. 25, 2014; 88 FR 14900, Mar. 10, 2023]