Protect your horse from 47 species and stages of parasites—including tapeworms—with Zimecterin® Gold from Merial®. The first dewormer approved by the FDA to control tapeworms, it combines 7.75% praziquantel for tapeworm control with 1.55% ivermectin for broad spectrum parasite control, including benzimidazole-resistant small strongyles. One tube treats a 1,250 lb horse. May be administered to adult horses and foals as young as two months of age. Dosage adjusts by 250 lb. increments.