POULTRY DIPPED BLEACH The FDA has admitted manufacturers have added arsenic to store bought chickens. Arsenic has been added to chicken feed. The FDA asked Pfizer drug company to stop producing Roxarsone, an arsenic-containing drug that is usually added to chicken feed in order to make chickens fatter and give a nice pink color to the meat. A dip in a bleach bath is used on all chickens before coming to market.