As University of Ottawa virologist Earl Brown put it after a Canadian outbreak of avian influenza, “high-intensity chicken rearing is a perfect environment for generating virulent avian flu viruses.”
正如渥太华大学病毒学家厄尔·布朗在加拿大爆发禽流感之后所说的那样，“高密度养殖禽鸟是产生致命禽流感病毒的绝佳温床。”