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U.S. Department of Health and Human Services

CFR - Code of Federal Regulations Title 21

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The information on this page is current as of Oct 01, 2021.

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

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[Code of Federal Regulations]
[Title 21, Volume 6]
[CITE: 21CFR520.955]



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 520 -- ORAL DOSAGE FORM NEW ANIMAL DRUGS

Sec. 520.955 Florfenicol.

(a) Specifications. Each milliliter (mL) contains 23 milligrams (mg) florfenicol.

(b) Sponsors. See Nos. 000061, 054925, and 058198 in § 510.600(c) of this chapter.

(c) Related tolerances. See § 556.283 of this chapter.

(d) Conditions of use in swine - (1) Amount. Administer in drinking water ad libitum at 400 mg per gallon (100 parts per million (ppm)) for 5 consecutive days.

(2) Indications for use. For the treatment of swine respiratory disease (SRD) associated with Actinobacillus pleuropneumoniae, Pasteurella multocida, Salmonella choleraesuis and Streptococcus suis.

(3) Limitations. Do not slaughter within 16 days of last treatment. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[67 FR 78357, Dec. 24, 2002, as amended at 72 FR 262, Jan. 4, 2007; 78 FR 52854, Aug. 27, 2013; 82 FR 12169, Mar. 1, 2017]

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