For nearly a century, an illustration of a Native American woman with a feather in her hair has adorned the packaging of Land O’Lakes cheese and butter products. But not for much longer. The company, founded in 1921 by a group of Minnesota dairy farmers, is phasing in a new design ahead of its 100th anniversary. Instead of the depiction of the woman, some products will be labeled “Farmer-Owned” and feature an illustration of a field and lake, or photographs of its farmers, the company announced. The new design, which started appearing on tubs of butter spread, food service products...