MecWorma Paste is a broad-spectrum horse wormer designed to control a wide range of internal parasites, including strongyles, roundworms and bots. The convenient calibrated syringe makes it easy to dose horses accurately according to their bodyweight. Dosage and Administration: MecWorma should be administered orally at a dose rate of 200 mcg abamectin per kg bodyweight. A full syringe treats a 600 kg horse. The plunger is calibrated in 100 kg bodyweight increments to help dose accurately. Active Ingredient: Abamectin 3.64 mg/g Parasites Controlled: Large strongyles – adult and immature Small strongyles – adult and immature Roundworms – adult and immature Hairworms – adult Pinworms – adult and immature Intestinal threadworms – adult Neck threadworms (Onchocerca microfilariae) – associated with summer sores Stomach worms – adult and larval stages Bots (Gasterophilus spp.) – oral and stomach stages