§ 520.1242f Levamisol gel.

Specifications.(a) Each gram of gel contains 115 milligrams (11.5 percent) levamisol hydrochloride.

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

Related tolerances.(c) See § 556.350 of this chapter.

Conditions of useCattleAmount.(d) —(1) —(i) Eight milligrams of levamisole hydrochloride per kilogram of body weight, as a single oral dose.

Indications for use.Haemonchus, Trichostrongylus, OstertagiaTrichostrongylus, Cooperia, Nematodirus, Bunostomum, OesophagostomumDictyocaulus(ii) Anthelmintic effective against the following nematode infections: Stomach worms (), intestinal worms (), and lungworms ().

Limitations.(iii) Conditions of constant helminth exposure may require re-treatment within 2 to 4 weeks after the first treatment; do not administer to cattle within 6 days of slaughter for food; do not administer to dairy animals of breeding age; consult veterinarian before using in severely debilitated animals.

Breeding swineAmount.(2) —(i) Eight milligrams per kilogram of body weight (3.6 milligrams per pound) as a single oral dose.

Conditions of use.Ascaris suumOesophagostomumMetastrongylusStrongyloides ransomiStephanurus dentatus(ii) For treating breeding swine infected with the following nematodes: Large roundworms (), nodular worms ( spp.), lungworms ( spp.), intestinal threadworms (), and kidney worms ().

Limitations.(iii) May require retreatment in 4 to 5 weeks. Do not use within 11 days of slaughter for food. Consult your veterinarian for assistance before using in severely debilitated animals and in the diagnosis, treatment, and control of parasitism.

[47 FR 22517, May 25, 1982; 47 FR 30242, July 13, 1982, as amended at 48 FR 11429, Mar. 18, 1983; 51 FR 29215, Aug. 15, 1986; 67 FR 63055, Oct. 10, 2002; 78 FR 28823, May 20, 2014]