Jeffers One Year Horse Deworming Kit, 3-Pack Be Aware of Shipping Costs! Please read our shipping policy. Talk to your vet before changing your worming schedule 2 Tubes each of Zimectrin Gold, Exodus&reg; and Bimectin&reg; Exodus = Pyrantel Pamoate / Zimectrin Gold = Ivermectin/Praziquantel Combo (for tapeworms) / Bimectin = 1.87% Ivermectin Full Year, 3-way Rotation (for 1 average horse)