§ 520.1638 Oxibendazole.

Specifications.(a) (1) Each gram of paste contains 227 milligrams (mg) (22.7 percent) oxibendazole.

(2) Each milliliter of suspension contains 100 mg (10 percent) oxibendazole.

Sponsor.(b) See No. 054771 in § 510.600(c) of this chapter.

Special considerations.(c) (1) See § 500.25 of this chapter.

(2) Suspension product described in paragraph (a)(2) of this section shall be labeled: “Federal law restricts this drug to use by or on the order of a licensed veterinarian.”

Conditions of use in horsesAmount.Strongyloides westeriStrongyloides westeri(d) —(1) For uses other than for threadworms (), 10 mg oxibendazole per kilogram (/kg) body weight; for threadworms (), 15 mg/kg. Horses maintained on premises where reinfection is likely to occur should be re-treated in 6 to 8 weeks. Administer suspension product by stomach tube in 3 to 4 pints of warm water, or by top dressing or mixing into a portion of the normal grain ration.

Indications for use.Strongylus edentatus, S. equinus,S. vulgarisCylicostephanus, Cylicocyclus,Cyathostomum, Triodontophorus,Cylicodontophorus,GyalocephalusParascaris equorumOxyuris equiStrongyloides westeri(2) For removal and control of large strongyles ( ); small strongyles (genera and ); large roundworms (); pinworms () including various larval stages; and threadworms ().

Limitations.(3) Do not use in horses intended for human consumption.

[78 FR 28825, May 20, 2014]