Moreover, the frequent emergence of the zoonotic disease such as Bovine Spongiform Encephalopathy(BSE), swine fever or avian influenza has put massive pressure on the animal production sector as well as on the public authorities.

• 此外，各种疾病的并发，例如疯牛病，猪瘟以及禽流感，都对公共权威机关和动物生产者产生了极大的压力。