Company has offered cage-free eggs for more than ten years Byron Center, MI, 2016-Apr-14 — /EPR Retail News/ —SpartanNash (Nasdaq: SPTN) announced today that it plans to transition to selling 100 percent cage-free eggs at its 160 grocery retail stores by 2025 or sooner based on available supply, affordability and customer demand. Cage-free eggs include eggs…