Natural Wormer - mild formula is for poultry, goats, sheep, cats, dogs; not for use with horses. A combination of herbs that rid the intestines of parasites. This formula is best if suspect worms or you are doing preventative worming. Sprinkle on or mix into your animals feed. Dosage chart included. Feed for 4 days, skip 3 days, repeat. Wait 2 weeks and feed for another 4 days. This schedule will help ensure you get all stages of parasite life cycle.