(Pfizer Animal Health) Quest Equine Gel is specially formulated palatable dewormer gel for horses and ponies. The new drug Moxidectin is distinctly different from other paste wormers. Effective in the treatment of large and small strongyles, encysted cyathostomes, ascarids, pin worms, hair worms, large mouth stomach worms and bots. Treats up to an 1150 lb. horse. For horses and ponies 6 months of age or older. Safe for pregnant mares.