A.粘液樣變性B.纖維素樣變性C.水樣變性D.顆粒變性
A.微孢子蟲(chóng)B.碘泡蟲(chóng)C.線蟲(chóng)D.匹里蟲(chóng)
A.白斑綜合征B.鋸緣青蟹的肌肉壞死癥C.斑節(jié)對(duì)蝦桿狀病毒病D.傳染性胰臟壞死