75.Channel catfish virus disease的病原為下列何種病毒?
(A)birnavirus
(B)herpesvirus
(C)nodavirus
(D)iridovirus
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統計: A(158), B(891), C(233), D(306), E(0) #942229
統計: A(158), B(891), C(233), D(306), E(0) #942229