subchapter_subject: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"
part_code: "520"
part_subject: "ORAL DOSAGE FORM NEW ANIMAL DRUGS"
subpart_code: "B"
subpart_subject: "Specific Administrative Rulings and Decisions"
section_number: "520.1422"
section_subject: "Metoserpate hydrochloride."
cfr_reference: "21 CFR 520.1422"
title_name: "Title 21"
title_subject: "Food and Drugs"
parts_covered: "Parts 500 to 599"
revised_date: "Revised as of April 1, 2019"
publication_date: "As of April 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
(b)Sponsor. See No. 054771 in § 510.600(c) of this chapter.
(c)Related tolerances. See § 556.410 of this chapter.
(d)Conditions of use. It is used in drinking water for replacement chickens as follows:
(1)Amount. 568.5 milligrams per gallon (0.015 percent).
(i)Indications for use. As a tranquilizer for flock treatment of chickens prior to handling.
(ii)Limitations. To be used one time as a treatment for replacement chickens up to 16 weeks of age; usual drinking water should be withheld prior to treatment to provide adequate consumption of medicated drinking water; not for use in laying chickens; chickens slaughtered within 72 hours following treatment must not be used for food.
(2)Amount. 2 to 4 milligrams per 2.2 pounds of body weight.
(i)Indications for use. As an aid in control of hysteria.
(ii)Limitations. To be used as a treatment for replacement chickens up to 16 weeks of age; usual drinking water should be withheld prior to treatment to provide adequate consumption of medicated drinking water; the drug should be administered at a dosage level of 4 milligrams per 2.2 pounds of body weight followed by 2 treatments at 4-day intervals of 2 milligrams per 2.2 pounds of body weight; not for use in laying chickens; chickens slaughtered within 72 hours following treatment must not be used for food.