Paradoxically, the H5N1 irus coupled with a fear of transmission by wild birds could lead to a reersion to battery farming which increases risk of outbreaks.

• 自相矛盾的是，伴随对野生鸟类传播H5N1病毒的恐惧，可能导致层架式养鸡场的回归，那样反而增加了疫情暴发的危险。