In 1932 , outbreaks of a disease causing neurotropic dysfunction in young chickens in the new england region of the usa in 1930 were first reported by jones . over the next decade , outbreaks of the disease were reported in europe , canadajapan and australia . in 1980s , the disease was transmited into china 1932年jones首次报道了在1930年美国新英格兰地区幼鸡群爆发的禽脑脊髓炎。随后十年中，在欧洲、加拿大、日本和澳大利亚都有此病的报道。
The double chains of chil - 1 cdna were labeled with dig - 11 - dutp to produce probe . and the chil - 1 mrna secreation was studied in the tissues of chickens " brains infected with aev and that of normal chickens " . the results showed that the content of chil - 1 secreation in sick chickens " brain was higher than that of the normal chickens " 用地高辛随机引物法标记il - 1 cdna制备探针，原位杂交检测禽脑脊髓炎病鸡与正常鸡脑组织中il - 1分泌情况，结果表明脑炎病鸡脑中il - 1分泌量高于正常鸡。
