25.產蛋下降症候群(egg drop syndrome)病原在病毒分類上為腺病毒科的那一屬?
(A)mastadenovirus
(B)atadenovirus
(C)aviadenovirus
(D)siadenovirus
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統計: A(102), B(1151), C(802), D(171), E(0) #1153801
統計: A(102), B(1151), C(802), D(171), E(0) #1153801
