Beef containing internal organs and tongues will undergo quarantine checks under the microscope, and if they are found to have any virus, the batch of beef will be sent back.

• 对美产牛内脏和牛舌将进行显微镜活体组织检查，一旦发现可能储存疯牛病发病物质的"集合淋巴结"，则该批牛肉全部退还。