CyLence Pour-On is a ready-to-use pour-on insecticide for fast, effective cattle fly control on beef and dairy herds, including lactating cows. Powered by cyfluthrin 1%, it targets horn flies, chewing lice, and sucking lice to support herd comfort and performance. This livestock health product is easy to apply and designed for on-farm use without mixing. Available in 500 ml and 3 L sizes, it fits operations of all sizes and requires no prescription in Canada.