Meanwhile, pathological changes of lymphocytes and changing role of IgM, IgG from different days old chickens infected with AEV-NH937 were systematically studied by viral inoculation of animal, pathological test and ELISA.

• 采用了病毒接种技术、普通病理学方法、酶联免疫吸附实验等方法，研究了不同日龄SPF雏鸡人工感染AEV-NH937株后的血清IgM、IgG的动态变化规律。