Livestock > Livestock Supplies PERMECTRIN Pour-On Price $39.90 Stock status: Out of Stock Stock status: In Stock Product Code: RJ81-325 Qty: Description Sizing Information Reviews PERMECTRIN Pour-On Permectrin Pour-On for beef, lactating & non-lactating dairy cattle and sheep to control horn & face flies, lice & keds, and to aid in the control of horse, stable and black flies, ticks and mosquitoes. Ready-to-use pour-on contains 1% permectrin. Easy to use, just pour down the backline of the animal. Dosage: 1/4 oz per 50 lbs of body wt. Requires no milk withholding or pre-slaughter withdrawal. Permectrin Pour On may also be used with backrubbers.