13.下列微生物中,何者為蒼蠅叮咬感染乳牛乳頭末端並且為女牛(heifer)乳房炎之主要病因?
(A)凝固酶陰性葡萄球菌(coagulase-negative Staphylococci)
(B)金黃色葡萄球菌(Staphylococcus aureus)
(C)腸道菌群(coliforms)
(D)牛黴漿菌(Mycoplasma bovis)
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統計: A(863), B(324), C(449), D(394), E(0) #1588514
統計: A(863), B(324), C(449), D(394), E(0) #1588514