520.1807—Piperazine.
(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.
(d) Conditions of use—
(1) Chickens—
50 milligrams per bird under 6 weeks, 100 milligrams per bird over 6 weeks.
(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.
(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.
(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.