Issue Date: May 15, 2017
Arsenic poultry feed additive may be more problematic than believed
The arsenic-containing feed additive roxarsone was used for more than 60 years to promote weight gain and to prevent parasitic infections in poultry and swine before its use was halted in Europe and North America because of concerns of exposure to cancer-causing arsenic metabolites. But the additive is still used in Asia. Researchers led by the University of Alberta’s X. Chris Le and Wuhan University’s Bin Hu were . . .
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