§ 520.1807 - Piperazine.

§ 520.1807 Piperazine.

Cross Reference

Link to an amendment published at 85 FR 4208, Jan. 24, 2020.

(a) Specifications. A soluble powder or liquid containing piperazine dihydrochloride or dipiperazine sulfate, equivalent to 17, 34, or 230 grams of piperazine per pound or 100 milliliters.

(b) Sponsor. See No. 015565 in § 510.600(c) of this chapter.

(c) Related tolerances. See § 556.513 of this chapter.

(d) Conditions of use -

(1) Chickens -

(i) Amount. 50 milligrams per bird under 6 weeks, 100 milligrams per bird over 6 weeks.

(ii) Indications for use. For removal of large roundworm (Ascaridia spp.).

(iii) Limitations. For use in drinking water or feed. Use as sole source of drinking water. Prepare fresh solution daily. Use as 1-day single treatment. Withdraw 14 days prior to slaughter. Do not use for chickens producing eggs for human consumption. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

(2) Turkeys -

(i) Amount. 100 milligrams per bird up to 12 weeks and 200 milligrams per bird over 12 weeks.

(ii) Indications for use. For removal of large roundworm (Ascaridia spp.).

(iii) Limitations. For use in drinking water or feed. Use as sole source of drinking water. Prepare fresh solution daily. Use as 1-day single treatment. Withdraw 14 days prior to slaughter. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

(3) Swine -

(i) Amount. 50 milligrams per pound of body weight.

(ii) Indications for use. For removal of large roundworm (Ascaris suum) and nodular worms (Oesophagostomum spp.).

(iii) Limitations. For use in drinking water or feed. Use as sole source of drinking water. Prepare fresh solution daily. Use as 1-day single treatment. Withdraw 21 days prior to slaughter. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

[64 FR 23018, Apr. 29, 1999, as amended at 79 FR 28827, May 20, 2014]