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Quest Plus Gel is a broad-spectrum dewormer targeted to treat encysted small strongyle larvae and bots, large strongyles, roundworms, pinworms, hairworms, stomach worms, and tapeworms. Recommended for late grazing season use, the active ingredients moxidectin and praziquantel are a treatment of choice according to the American Association of Equine Practitioners The unique gel formula is given orally and dissolves on the tongue to help make deworming easy Quest Plus Gel Horse Dewormer is packaged in a patented ready-to-use Sure-Dial syringe that is calibrated in 50 lb increments, up to 1,500 lbs. This enables the administration of the recommended dose level of 0.4 mg moxidectin/kg (0.18 mg/lb) and 2.5 mg praziquantel/kg (1.13 mg/lb) body weight by choosing a setting consistent with your horse's weight