21 C.F.R. § 520.905d Fenbendazole powder.
Title 21 - Food and Drugs
(a) Specifications. (1) Each 2-ounce packet contains 2.27 grams (4 percent) of fenbendazole plus other inert ingredients. (2) Each 4-ounce packet contains 1.7 grams (1.5 percent) of fenbendazole plus other inert ingredients. (b) Sponsors. (1) See No. 057926 in §510.600(c) of this chapter for use of the 4-percent product. (2) See No. 051311 in §510.600(c) of this chapter for use of the 1.5-percent product. (c) Related tolerances. See §556.275 of this chapter. (d) Conditions of use. It is administered to swine as follows: (1) Amount. 3 milligrams fenbendazole per kilogram body weight per day (1.36 milligrams per pound per day). (2) Indications for use. For removal and control of large roundworms (Ascaris suum); lungworms (Metastrongylus apri); nodular worms (Oesophagostomum dentatum, O. quadrispinulatum); small stomach worms (Hyostrongylus rubidus); whipworms (Trichuris suis); and kidneyworms (Stephanurus dentatus— mature and immature). (3) Limitations. Thoroughly mix the contents of the packet(s) with swine ration and administer according to label directions. Feed as sole ration for 3 consecutive days. Can be fed to pregnant sows. No prior withdrawal of feed or water is necessary. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism. [49 FR 18090, Apr. 27, 1984, as amended at 49 FR 20485, May 15, 1984; 66 FR 47960, Sept. 17, 2001; 70 FR 32489, June 3, 2005]
Title 21: Food and Drugs
PART 520—ORAL DOSAGE FORM NEW ANIMAL DRUGS
§ 520.905d Fenbendazole powder.
