Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

§
Marginalia
Code · CFR · Title 21 — Food and Drugs · Part 524 — Ophthalmic and Topical Dosage Form New Animal Drugs · § 524.770

§ 524.770. Doramectin.

339 words·~2 min read·/us/cfr/t21/s§ 524.770·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)Specifications. Each milliliter
(mL)of solution contains 5 milligrams
(mg)doramectin.
(b)Sponsors. See Nos. 051072, 054771, and 061133 in § 510.600(c) of this chapter.
(c)Related tolerances. See § 556.222 of this chapter.
(d)Special considerations. See § 500.25 of this chapter.
(e)Conditions of use in cattle—(1) Amount. Administer topically 1 mL (5 mg doramectin) per 22 lb (10 kg) of body weight.
(2)Indications for use. For treatment and control of gastrointestinal roundworms: Ostertagia ostertagi (adults and fourth-stage larvae), Ostertagia ostertagi (inhibited fourth-stage larvae), Ostertagia lyrata (adults), Haemonchus placei (adults and fourth-stage larvae), Trichostrongylus axei (adults and fourth-stage larvae), Trichostrongylus colubriformis (adults and fourth-stage larvae), Cooperia oncophora (adults and fourth-stage larvae), Cooperia punctata (adults and fourth-stage larvae), Cooperia pectinata (adults), Cooperia surnabada (adults), Bunostomum phlebotomum (adults), Oesophagostomum radiatum (adults and fourth-stage larvae), Trichuris spp. (adults); lungworms: Dictyocaulus viviparus (adults and fourth-stage larvae); eyeworms: Thelazia gulosa (adults), Thelazia skrjabini (adults); grubs: Hypoderma bovis and Hypoderma lineatum; sucking lice: Linognathus vituli, Haematopinus eurysternus, and Solenopotes capillatus; biting lice: Bovicola (Damalinia) bovis; mange mites: Chorioptes bovis and Sarcoptes scabiei; horn flies: Haematobia irritans; and to control infections and to protect from reinfection with Cooperia oncophora, Dictyocaulus viviparus, Ostertagia ostertagi, and Oesophagostomum radiatum for 28 days; and with Cooperia punctata and Haemonchus placei for 35 days after treatment; and to control infestations and to protect from reinfestation with Linognathus vituli for 42 days and with Bovicola (Damalinia) bovis for 77 days after treatment.
(3)Limitations. Cattle must not be slaughtered for human consumption within 45 days of treatment. Not for use in female dairy cattle 20 months of age or older. A withdrawal period has not been established for this product in pre-ruminating calves. Do not use in calves to be processed for veal. [69 FR 48392, Aug. 10, 2004, as amended at 70 FR 43046, July 26, 2005; 79 FR 10967, Feb. 27, 2014; 84 FR 32993, July 11, 2019; 87 FR 10970, Feb. 28, 2022; 88 FR 27700, May 3, 2023; 90 FR 6801, Jan. 21, 2025]
Connections3 cite this
Citation graph
cites case law
§ 524.770
Doramectin.
Fed. Reg.×3
Cites 0Cited by 3 across 1 source
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.