Ivomec Pour-On Parasiticide for Cattle is the most potent parasite control and treatment product ever produced, wiping out larvae before they are old enough to lay eggs. IVOMEC EPRINEX is a weatherproof formulation that is more than 99 percent effective - even on wet cattle. WARNING: NOT SAFE OR APPROVED FOR HUMAN USE, WHICH COULD CAUSE SEVER PERSONAL INJURY OR DEATH. | Merial Ivomec Pour-On Parasiticide for Cattle | Size 5 Liter