Arcos Dorados, the world’s largest McDonald’s franchisee and the largest operator of fast-food restaurants in Latin America, said in a statement that it will serve exclusively cage-free eggs by 2025, a shift that will impact the welfare of millions of animals. The new policy, developed in conjunction with Humane Society International, reflects a growing focus by U.S. animal protection groups on securing cage-free commitments internationally. Burger King recently announced a similar pledge for its Latin American…