UltraCruz Poultry Diatomaceous Earth for Chickens is an organic, natural way to remove pests and parasites from your chicken coops and other common areas where your chickens live. This chemical free powder absorbs moisture that can be common growing conditions for common parasites that can infect your flock and cause illness and reduces egg production. This can be used to remove ticks, lice, mites and worms that cause irritation and feather loss to your flock.Developed and manufactured in the USA with globally-sourced ingredients by Santa Cruz Animal Health