Fenpni Security: what is Femponi? Egg residue fenpril is very harmful. How to choose eggs?

What is fenpril, and why is there any residue of fenpril on eggs? What's going on? Fenpril is often used as a pesticide or insecticide. it has a significant insecticidal effect on insects such as ants, cockroaches, lice or bees, and is also fed by pets.