30.下列何種羊的疾病並非由Clostridium spp.所引起?
(A)腸毒血症(enterotoxemia)
(B)多發性關節炎(polyarthritis)
(C)小羊痢疾(lamb dysentery)
(D)黑腿病(black leg)
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統計: A(69), B(681), C(93), D(21), E(0) #857450
統計: A(69), B(681), C(93), D(21), E(0) #857450