Keep your horses healthy with this Ivermax Equine Paste Horse Dewormer. This Ivermax Equine Paste Horse Dewormer is (ivermectin) 1.87% Specifically formulated for horses only. Anthelmintic and Boticide. Removes worms and bots with a single dose. Apple flavored. For oral use in horses only. Contents will treat up to 1250 lb. body weight.