Controls large and small strongyles, pinworms, ascarids and arthritis caused by fourth stage larvae of s. Vulgaris. For use in horses. Apple-cinnamon flavor makes it highly palatable to horses. Approved for concurrent use with an approved form of trichlorfon (boticide). One syringe will deworm a 1100 lb. horse. Ingredients: Fenbendazole - 100mg/Gram