Agathe RoméoAgathe Roméo is in R&D at Animine and can be reached at [email protected]From the AuthorHomeRisks of high iron in zinc oxide in animal dietsAnalyses 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.HomeZinc, copper favor bacterial resistanceFighting antibioticresistance in swine production reduced antibiotic use and a betterunderstanding zinc and copper supplementation in pig diets.HomeFive possible negative effects of zinc oxide on pigletsThe effect of pharmacological levels of zinc oxide (ZnO) on piglet growth performance has been recently evaluated in a review involving 26 studies. Results indicated a significant (P<0.05) and positive effect of zinc supplementation on growth, feed intake and feed efficiency as shown in Figure 1.Page 1 of 1