Livamol With Bioworma Contains The Spores Of Duddingtonia Flagrans, A Natural Fungus Found In Soil And On Pasture. It Is A Non-Chemical Biological Control For The Free-Living Stages Of Parasitic Gastrointestinal Nematodes Of Grazing Animals, Which Acts By Substantially Reducing The Numbers Of Infective Worm Larvae (Including Chemical/Multi-Resistant Larvae) Emerging From Manure Onto Pasture