Description TRI-ZAP is a sustained-release, plastic ear tag containing a synergized formulation of Zetacypermethrin, a potent, enriched S-isomer pyrethroid compound and Abamectin, a highly active macrocyclic lactone that has never before been used in combination on cattle. TRI-ZAP is for use on Beef and Dairy Cattle (including Lactating) and calves to control Horn Flies, Face Flies, Lice and Spinose Ear Ticks. Product Advantages TRI-ZAP is the only tag worldwide to contain a combination of pyrethroid and macrocyclic lactone compounds, both of which are synergized with Piperonyl Butoxide.PRODUCT DETAILS:Labeled for use on Beef and Dairy Cattle, including calves and lactating Dairy Cows. No withdrawal period for meat or milk. Controls Horn Flies for up to four months with two tags per head. Controls Face Flies (mechanical vector of Moraxella bovis, the bacterium which causes âPink Eyeâ in cattle) in calves with two tags per head. Reduces blood loss in cattle due to Horn Fly feeding. One or two tags per head controls Face Flies for up to two months. Two tags per head controls Lice and Spinose Ear Ticks for up to three months. Has the Y-TEX Snap-Lok collar for guaranteed retention against tag or button failure for five months. For management of insecticide resistance, TRI-ZAP is ideal for rotation with other insecticide ear tags according to Y-TEXâs recommended rotation program.