yourstate.us
21 CFR 520.903b

§ 520.903b Febantel suspension.

United States · 21 CFR — Food and Drugs · Status: effective

Get this as JSONEmbed this
Cite this
Citation
21 CFR 520.903b, § 520.903b Febantel suspension, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87151
Permanent ID
ys:prov:87151@1
SHA-256
b41fb27f108f2dd5fbb80eddccc40dc0c8679dfb003acbc6f7c79d0e1ed459ee

The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.

Full text

(a) Specifications. Each ounce of suspension contains 2.75 grams (9.3 percent ounce) febantel. (b) Sponsor. See No. 058198 in § 510.600(c) of this chapter. (c) Conditions of use in horses—(1) Amount. 3 milliliters per 100 pounds body weight or 1 fluid ounce per 1000 pounds (6 milligrams per kilogram body weight). Administer by stomach tube or drench, or by mixing well into a portion of the normal grain ration. For animals maintained on premises where reinfection is likely to occur, retreatment may be necessary. For most effective results, retreat in 6 to 8 weeks. (2) Indications for use. For removal of ascarids (Parascaris equorum—adult and sexually immature), pinworms (Oxyuris equi—adult and 4th stage larvae), large strongyles (Strongylus vulgaris, S. edentatus, S. equinus), and various small strongyles in horses, breeding stallions and mares, pregnant mares, foals, and ponies. (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. (d) Special considerations. Febantel suspension may be used in combination with trichlorfon oral liquid in accordance with the provisions of § 520.2520c, this section, and the following conditions: (1) Combine 1 part febantel suspension with 5 parts trichlorfon liquid. (2) Allow animal to consume a portion of daily grain ration; administer mixture by stomach tube at rate of 18 milliliters per 100 pounds of body weight.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.