新华社华盛顿8月29日电 美国农业部29日宣布,该国一头6岁的肉牛被检出非典型疯牛病,但不会对食品供应构成威胁。 美农业部当天发表声明说,这例疯牛病病例是在
Latest 50 Articles with tag: 典型疯牛病
Latest Covid19 Info
- Ontario New Case+2,632
- Ontario New Death+46
- Canada First doses658,662
- Canada Second doses53,629
- Canada % of population vaccinated1.87%
- Canada Received from manufacturer893,240
- Canada Received doses administered79.7%