51.有關豬增生性出血性腸病(proliferative hemorrhagic enteropathy)之描述,下列何者錯誤?
(A)目前將此病原歸類為Lawsonia intracellularis
(B)急性病例多見於剛離乳小豬
(C)腸管黏膜變厚,呈山脊狀突出
(D)病變多見於迴腸及近端結腸
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統計: A(29), B(715), C(45), D(163), E(0) #857071
統計: A(29), B(715), C(45), D(163), E(0) #857071