nóng chǎng / fā xiàn / yì qíng / hòu / lì jí / duì / shēng zhū / jìn xíng / jiǎn cè / yǐ fáng / zhū liú gǎn / kuò sàn农场发现疫情后,立即对生猪进行检测,以防猪流感扩散。After the farm discovered the outbreak, it immediately tested the pigs to prevent swine flu from spreading.