Santa Cruz Animal Health offers a vast collection of equine insecticides for protection and control against flies, fleas, ticks, lice, gnats and mosquitoes. See product details for insecticide use on horses including foals, pregnant mares, breeding stallions, senior horses and performance horses. Our collection of insecticides for horses includes concentrate, dust bags, feed additive, fly bait, fly masks, pour on, sprays and topical insecticides. Choose from top selling products such as Python® Dust Bag Kit, Equitrol® II Feed-Thru Fly Control, Permectrin™ II, Solitude IGR™ and Tri-Tec 14® Fly Repellent.