a. Mode of action for insect and parasite control is strictly mechanical.The microscopically sharp edges contact the insect or parasite & pierce their protective coating,so they soon dehydrate and die. b. The powder needs to apply as a talcum powder for fleas, lice and other external pests by rubbing on the coat of the Animals. c. The larvae are affected in the same way.This makes it an excellent and totally natural control, with no indicating of mechanical or chemical damage to the animal tissue. d. Both internal and external parasite and insect pest control will result in improvement in health, appearance and behavior, as well as assimilation of feed, which means improved weight gain and lowered feed cost and a healthy animal gives more milk. e. This is a natural deforming agent too. Benefits 100 % natural and safe organic media to control insects and parasite. Kills insects and pests mechanically and hence insects cannot develop immunity. f. No added harmful chemicals. Improvement in health, appearance and behavior is observed after feeding animals with Siliceous Fossil Control. g. It is 100 % organic.It is a non-toxic, safe substance made up from crushed fossils of sedimentary deposits of marine life. Crushed to a fine powder and observed through a microscope, the particles resemble bits of broken glass. Deadly to any insect and completely harmless to animals, fish, fowl or food.