22 引發馬傳染性貧血症(equine infectious anemia)的病原為下列何項?(A)反轉錄病毒(retrovirus) (B)附紅血球體(Eperythrozoon)(C)錐蟲(Try
24 下列何種細菌可寄生於細胞內?(A) Staphylococcus aureus (B) Brucella abortus(C) Escherichia coli (D) Streptococcu
28 引起我國石斑魚幼苗死亡率居高不下,病魚苗泳姿有旋迴狀的是何種疾病?(A)神經壞死性病毒(NNV)感染(B)淋巴囊腫病(lymphocystis disease)(C)細菌性腎病(bacteria
30 Ehrlichia canis 引起tropical canine pancytopenia 是由何種病媒傳播?(A) Ixodes dammini (B) Boophilus spp. (C)
32 造成非化膿性關節炎病變之病原菌最有可能為下列那一種?(A) Staphylococcus aureus (B) Salmonella pullorum (C) Mycoplasma synovi
42 引起雛白痢的是何種家禽病原菌?(A) Salmonella pullorum (B) Salmonella gallinarum(C) Pasteurella multocida (D) Sal