Now, several new techniques such as indirect immunofluorescent assay (IFA) and indirect enzyme-linked immunosorbent assay (ELISA) have been developed to detect AEV, but both methods are cumbersome, time-consuming and expensive.

• 目前一般都采用免疫学方法,如免疫荧光( IFA )和酶联免疫吸附法( ELISA )来直接检测抗原,但费时费力;