520.462—Clorsulon drench.
(a) Specifications.
The drug is a suspension containing 8.5 percent clorsulon (85 milligrams per milliliter).
(c) Conditions of use. Cattle—
(1) Amount.
One-quarter fluid ounce per 200 pounds of body weight (7 milligrams per kilogram or 3.2 milligrams per pound of body weight).
(2) Indications for use.
For the treatment of immature and adult liver fluke (Fasciola hepatica) infestations in cattle.
(3) Limitations.
Using dose syringe, deposit drench over back of tongue. Do not treat cattle within 8 days of slaughter. Because a withdrawal time in milk has not been established, do not use in female dairy cattle of breeding age. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.