19.下列何者為豬增生性腸病(proliferative enteropathy)之病原?
(A)Brachyspira hyodysenteriae
(B)Campylobacter coli
(C)Lawsonia intracellularis
(D)Brachyspira pilosicoli
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統計: A(60), B(89), C(2634), D(13), E(0) #1944449
統計: A(60), B(89), C(2634), D(13), E(0) #1944449