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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: 21CFR520.2380f]



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. 520.2380f Thiabendazole and triclorfon.

(a) Specifications. The drug contains 5 grams of thiabendazole with 4.5 grams of trichlorfon, or 20 grams of thiabendazole with 18 grams of trichlorfon.

(b) Sponsor. See No. 017135 in § 510.600(c) of this chapter.

(c) Conditions of use in horses - (1) Amount. Administer 2 grams of thiabendazole with 1.8 grams of trichlorfon per 100 pounds of body weight sprinkled on the animals' usual daily ration of feed, or may be mixed in 5 to 10 fluid ounces of water and administered by stomach tube or drench.

(2) Indications for use. For the treatment and control of bots (Gasterophilus spp.), large strongyles (Strongylus spp.), small strongyles (genera Cyathostomum, Cylicobrachytus, Craterostomum, Oesophagodontus, Poteriostomum ), pinworms (Oxyuris spp., Strongyloides spp.), and ascarids (Parascaris spp.).

(3) Limitations. Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[40 FR 23071, May 28, 1975, as amended at 48 FR 48229, Oct. 18, 1983; 79 FR 28832, May 20, 2014. Redesignated at 84 FR 39183, Aug. 9, 2019]

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