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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 Aug 30, 2024.

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: 21CFR524.1450]



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 524 -- OPHTHALMIC AND TOPICAL DOSAGE FORM NEW ANIMAL DRUGS

Fluocinolone Topical and Otic Dosage Forms

Sec. 524.1450 Moxidectin.

(a) Specifications. Each milliliter of solution contains:

(1) 5 milligrams (mg) moxidectin (0.5 percent solution).

(2) 25 mg moxidectin (2.5 percent solution).

(b) Sponsors. See sponsor numbers in § 510.600 of this chapter:

(1) No. 058198 for use of product described in paragraph (a)(1) of this section as in paragraph (d)(1) of this section; and

(2) No. 058198 for use of product described in paragraph (a)(2) of this section as in paragraph (d)(2) of this section.

(c) Related tolerances. See § 556.426 of this chapter.

(d) Conditions of use - (1) Cattle - (i) Amount. Administer topically 0.5 mg per kilogram (kg) of body weight.

(ii) Indications for use. Beef and dairy cattle: For treatment and control of internal and external parasites: gastrointestinal roundworms (Ostertagia ostertagi (adult and L4, including inhibited larvae), Haemonchus placei (adult and L4), Trichostrongylus axei (adult and L4), T. colubriformis (adult and L4), Cooperia oncophora (adult and L4), C. pectinata (adult), C. punctata (adult and L4), C. spatulata (adult), C. surnabada (adult and L4), Bunostomum phlebotomum (adult), Oesophagostomum radiatum (adult and L4), Nematodirus helvetianus (adult and L4)); lungworms (Dictyocaulus viviparus (adult and L4)); cattle grubs (Hypoderma bovis, H. lineatum ); mites (Chorioptes bovis, Psoroptes ovis (P. communis var. bovis )); lice (Linognathus vituli, Haematopinus eurysternus, Solenopotes capillatus, Bovicola (Damalinia ) bovis ); and horn flies (Haematobia irritans ). To control infections and to protect from reinfection with H. placei for 14 days after treatment, O. radiatum and O. ostertagi for 28 days after treatment, and D. viviparus for 42 days after treatment.

(iii) Limitations. A withdrawal period has not been established for this product on preruminating calves. Do not use on calves to be processed for veal. See § 500.25 of this chapter.

(2) Dogs - (i) Amount. Administer topically a minimum of 1.1 mg per pound (lb) (2.5 mg/kg) of body weight, once monthly using the appropriate preloaded applicator tube.

(ii) Indications for use. For the prevention of heartworm disease caused by Dirofilaria immitis, as well as the treatment and control of intestinal hookworm (Ancylostoma caninum (adult, immature adult, and L4 larvae) and Uncinaria stenocephala (adult, immature adult, and L4 larvae)), roundworm (Toxocara canis (adult and L4 larvae) and Toxascaris leonina (adult)), and whipworm (Trichuris vulpis (adult)) infections in dogs and puppies that are at least 7 weeks of age and that weigh at least 3 lbs.

(iii) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[63 FR 14036, Mar. 24, 1998, as amended at 65 FR 36617, June 9, 2000; 66 FR 46370, Sept. 5, 2001. Redesignated at 76 FR 48715, Aug. 9, 2011, as amended at 80 FR 53460, Sept. 4, 2015; 82 FR 21691, May 10, 2017; 86 FR 14821, Mar. 19, 2021]

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