Showing its policy to continue gyudon sales, Gyudontaro started to take measures around the mid-February, when it was about to run out the stock of U.S. beef; for example, it mixed pork as a temporary measure (from the mid-February to mid-March) and switched to Australian beef.
牛丼太郎、牛丼販売継続の方針をしめし、米国産牛肉の在庫がなくなる2月中旬ごろから牛丼への一時的豚肉混合（同年2月中旬-3月中旬頃）やオージー・ビーフへの切り替え等の対応をおこなった。