Factrel for Cattle Size:20 mL - 10 Dose - Rx Required an extended-release injectable parasiticide for

an extended-release injectable parasiticide for cattle on pastures useful for the treatment and control of roundworms

When using a draw-off spike or needle with bore diameter larger than 18 gauge

FerAppease should be applied before animals are exposed to stressful physiological events or stressful management strategies

Zuprevo is not for use in female dairy cattle 20 months of age or older

Factrel for Cattle Size:20 mL - 10 Dose - Rx Required an extended-release injectable parasiticide forZoetis Animal Health Prescription Required Download the Midwest Food Animal Prescription Form. Factrel is indicated for the treatment of ovarian follicular cysts in cattle. Factrel may be used with Lutalyse to synchronize estrus cycles to allow fixed time artificial insemination in lactating dairy cows. Each ml of Factrel solution contains 50 micrograms of synthetic gonadorelin hydrochloride. Gonadorelin is the gonadotropin releasing hormone (GnRH).