Indicated for the treatment and control of gastrointestinal roundworms (including inhibited ostertagia ostertagi), grubs, flies, sucking and biting lice, and sarcoptic mange mites in cattle. FDA approved and equivalent to the pioneer product. Proven performance. Broad-spectrum control of costly internal and external parasites. Low volume application. Up to 28 days of horn fly control. Provides a wide margin of safety with minimal animal stress. Available in multiple, convenient sizes in unbreakable plastic container