The U.S. Department of Agriculture, Kraft, General Mills, Hershey and Mars did not immediately return calls seeking comment that were made outside regular U.S. business hours.

• 美国农业部，卡夫，一般美国农业部，卡夫，通用磨坊，赫尔希和火星没有立即发表评论说，经常被美国以外营业时间。