 RIDGELAND, Miss.--BUSINESS WIRE--- CALM--Cal-Maine Foods, Inc. NASDAQ: CALM today announced that the Company has closed the previously announced purchase of the remaining 50 percent joint venture membership interest in Red River Valley Egg Farm, LLC from Rose Acre Farms, Inc, effective May 30, 2021. The entity is now a wholly owned subsidiary of the Company. Red River Valley Egg Farm, LLC owns and operates a specialty shell egg production complex with approximately 1.7 million cage-free laying hens 