| Merial Zimectrin (ivermectin) Horse Wormer Product # MERZIM20 With a single dose, ZIMECTERIN controls a wide variety of important internal parasites, including bots and benzimidazole-resistant small strongyles. ZIMECTERIN is safe for adult horses and foals as young as 6 weeks of age, and may be used in mares at any stage of pregnancy. Stallions may be treated without adversely affecting their fertility. |
