When the HA titers of the liver and cell culture samples were tested, specific inhibition test was carried out by filling the holes of 1st and 2nd rows with diluent and CAV-2 antiserum separutily, and the holes of 3rd row with CAV-1 and CAV-2 antisera.

• 检测肝脏和培养物样品HA效价,则用HA增强法,即第1、2排分别加稀释液和CAV-2血清为测定排,第3排加CAV-2和CAV-1两种血清为特异性抑制排。