Farnam FenCare Safe-Guard (fenbendazole) 1.96% TYPE B Medicated Feed Equine Dewormer contains 1.96% fenbendazole for the control of key equine parasites including large strongyles, small strongyles, pinworms and ascarids in horses. Concentrated formula with the same dosage as leading competitors, but with a smaller feeding rate. Palatable, apple flavored pellet formula easy to mix with horse's existing feed. One 5 ounce packet treats up to 1,250 lb. Perfect for hard-to-paste or hard-to-catch horses. Controls large strongyles, small strongyles, pinworms & ascarids. Approved for horses, including pregnant mares and stallions.