A specific method,immunofluorescence staining,was used to detect the existence of AEV; The antigen for agar gel precipitation test and inactivated oil emulsion vaccine were prepared fordiagnosing or controlling the disease.

• 同时确立了AE免疫荧光特异性病理诊断的方法，研制了AE琼扩沉淀抗原和AE灭活油乳剂疫苗。