美国农业部停止墨西哥进口牲畜, 以防止食肉新世界螺丝虫的传播. USDA halts Mexican livestock imports to prevent the spread of flesh-eating New World Screwworm.

美国农业部(USA)已暂停从墨西哥进口活牛、马和野牛, The U.S. Department of Agriculture (USDA) has suspended imports of live cattle, horses, and bison from Mexico due to the spread of the New World Screwworm (NWS), a flesh-eating pest. NWS 是一种寄生苍蝇，可对牲畜造成广泛的损害和死亡。 The NWS, a parasitic fly, can cause extensive damage and death to livestock. 该疾病从南美和中美洲蔓延,对美国粮食供应和牲畜构成威胁。 The disease has spread from South and Central America, posing a threat to the U.S. food supply and livestock. 美国农业部计划释放不育的雄性苍蝇,以控制虫害,并将根据监测和根除努力,每月重新评估进口禁令。 The USDA plans to release sterile male flies to control the pest and will reassess the import ban monthly based on surveillance and eradication efforts.