Additives Risks of high iron in zinc oxide in animal diets Analysis examines the effects of excess, unintended iron levels in zinc oxide November 5, 2018 Denise Cardoso and Agathe Romeo Analyses made on zinc oxide (ZnO) samples have shown metal contamination, including high amounts of iron, which has been an increasing concern due to negative effects on livestock. This article examines the research and risks.Read more
