問題詳情
1.下列何者為豬離乳後多系統消耗症（postweaning multisystemic wasting syndrome）的主要病原？
(A)Porcine picornavirus
(B)Porcine parvovirus
(C)Porcine circovirus
(D)Porcine coronavirus
(A)Porcine picornavirus
(B)Porcine parvovirus
(C)Porcine circovirus
(D)Porcine coronavirus
參考答案
答案：C
難度：簡單0.866667
統計：A(15),B(2),C(221),D(14),E(0)
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