AUTHOR=Toscano Michael J. , Meagher Rebecca K. , Campbell Dana L. M. TITLE=Editorial: Behavior and Welfare of the Individual Within Large, Commercially-Relevant Groups JOURNAL=Frontiers in Veterinary Science VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2021.656236 DOI=10.3389/fvets.2021.656236 ISSN=2297-1769