Vigilante Insect Bolus 24 per box

One application of Vigilante Insect Bolus controls horn fly and face fly breeding in the manure of treated beef and dairy cattle for up to five months. Vigilante also controls house flies and stable flies. If used properly, there will be no pre-slaughter withholding time or milk discard time. Residues above EPA established tolerances will not result. Give 1/2 bolus per 300-550 pounds and one whole bolus per 1,100 pounds or greater. Do not give more than one Vigilante Insect Bolus to any animal.