Is Diatomaceous Earth Safe For Animals. Diatomaceous earth is a soft, siliceous sedimentary rock containing the fossilized skeletal remains of diatoms. Diatomaceous earth is a natural, environmentally safe insecticide that can be used indoors to kill roaches.
So if you like being extra careful about what you give your pet, then there’s nothing wrong with de. If inhaled in large amounts and consistently, there might be an issue for humans and chickens on their respiratory health. 18 diatomaceous earth general fact sheet;