“ROXARSONE is an organoarsenic compound that is widely used in poultry production as a feed additive to increase weight gain and improve feed efficiency, … also approved in the United States for use in pigs … approved by the U.S. Food and Drug Administration (FDA) for use in poultry and/or swine, along with nitarsone, arsanilic acid, and carbarsone.” It is banned in Europe.
http://lnkd.in/dcNxwCP