AUTHOR=Cai Demin , Tu Meijuan , Wan Dan TITLE=Editorial: The actions of trace element metabolism and epigenetics on animal health and disease JOURNAL=Frontiers in Veterinary Science VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2022.1086322 DOI=10.3389/fvets.2022.1086322 ISSN=2297-1769