22.下列何種病原可造成豬隻過度分泌型（hypersecretion）下痢？
(A)Brachyspira hyodysenteriae
(B)Lawsonia intracellularis
(C)Escherichia coli
(D)Clostridium perfringens Type C

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統計： A(0), B(1), C(4), D(0), E(0) #3973541