However, authors can also opt for the CC BY license if their funding organization requires it, which expands the possibilities for reusing the article, including the possibility of modifications and revisions of the article and reuse by commercial companies. For more information on this agreement, please see the CSU Library Network Announcement and the Elsevier Agreement page. This is a journal article for which the author has agreed to grant readers perpetual and unrestricted online access to the final published version of the article immediately after its publication. The Poultry Science Association (PSA) is pleased to announce that it has entered into a new publishing agreement with Elsevier, Inc. to publish its two scientific journals effective January 1, 2020. At the same time, Poultry Science© and The Journal of Applied Poultry Research will both switch to Gold Open Access (OA), with all future published papers and archived papers immediately shared worldwide. The California State University (CSU) system has negotiated a two-year Gold Open Access pilot agreement with Elsevier that allows corresponding authors affiliated with CSU to publish open access in eligible Elsevier journals without incurring costs for authors. . . .