AGRILABS Contains 1.87% Ivermectin. A generic wormer that provides effective control of the following parasites in horses: Large Strongyles, Small Strongyles, Pinworms, Ascarids, Hairworms, Large-mouth Stomach Worms, Bots, Lungworms, Intestinal Threadworms, Summer Sores, and Dermatitis. DOSAGE/ADMINISTRATION: The syringe contains sufficient paste to treat one 1250 lb horse at the recommended dose rate of 91 mcg ivermectin per lb of body weight. Each weight marking on the adjustable syringe plunger delivers enough paste to treat 250 lb of body weight. E2-A 0.21 oz (6.08 gm) E2-A-1$4.02 12@ E2-A-2$44.52 Questions? Call toll free 1-800-892-6978 or email us at info@animalhealthusa.com