All U.S. beef exported to South Korea will come from cattle less than 30 months old, officials said Saturday, in a deal made to placate South Korean protesters worried about mad cow disease.

• 为了安抚那些担忧疯牛病的韩国抗议者，周六韩国官方在一份达成的协议中宣称，韩国从美国进口牛肉的月龄都将少于30个月。