§ 520.1422 Metoserpate hydrochloride.

Chemical name.o(a) Methyl--methyl-18-epireserpate hydrochloride.

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

Related tolerances.(c) See § 556.410 of this chapter.

Conditions of use.(d) It is used in drinking water for replacement chickens as follows:

Amount.(1) 568.5 milligrams per gallon (0.015 percent).

Indications for use.(i) As a tranquilizer for flock treatment of chickens prior to handling.

Limitations.(ii) 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.

Amount.(2) 2 to 4 milligrams per 2.2 pounds of body weight.

Indications for use.(i) As an aid in control of hysteria.

Limitations.(ii) 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.

[40 FR 13838, Mar. 27, 1975, as amended at 76 FR 17337, Mar. 29, 2011; 78 FR 28824, May 20, 2014]