bird flu

2006-12-13 5:39 am
is one farm have bird flu then other farm also have bird flu???
don't just say yes or no
give more reason thx
english or chinese is ok
thx....................

回答 (1)

2006-12-14 6:54 pm
✔ 最佳答案
No it depends on the distance between the 2 farms and the number of birds infected.


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