AUTHOR=Gonzalez Ronquillo Manuel , Vargas-Bello-PĂ©rez Einar TITLE=Editorial: The use of growth promoters and their alternatives in livestock production JOURNAL=Frontiers in Veterinary Science VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2022.945308 DOI=10.3389/fvets.2022.945308 ISSN=2297-1769