 SAN DIEGO, Aug. 10, 2021 PRNewswire -- Shareholder rights law firm Johnson Fistel, LLP is investigating potential violations of the federal securities laws by Elanco Animal Health Incorporated Elanco or the Company NYSE: ELAN. On August 9, 2021, Elanco disclosed receipt of a U.S. Securities and Exchange Commission subpoena regarding its channel inventory and sales practices before mid-2020. 