CFR > 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 (parts 500 to 590) > PART 520—ORAL DOSAGE FORM NEW ANIMAL DRUGS > 520.1422—Metoserpate hydrochloride.

520.1422—Metoserpate hydrochloride.

(a) Chemical name. Methyl-o -methyl-18-epireserpate hydrochloride.
(b) Sponsor. See No. 053501 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.

Code of Federal Regulations

[40 FR 13838, Mar. 27, 1975, as amended at 76 FR 17337, Mar. 29, 2011]