4.下圖病豬剖檢後可看到胸水及腹水,肺臟、心臟及腸管上均覆蓋多量白色纖維素,最有可能的致病原為下列何者? 
(A)Bordetella bronchiseptica
(B)Klebsiella pneumoniae
(C)Salmonella Typhimurium
(D)Haemophilus parasuis
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統計: A(125), B(182), C(214), D(2621), E(0) #2181378
統計: A(125), B(182), C(214), D(2621), E(0) #2181378