46.馬接觸傳染性子宮炎(contagious equine metritis)的病因為何?
(A)Babesia caballi
(B)Taylorella equigenitalis
(C)Theileria equi
(D)Trypanosoma equiperdum
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統計: A(26), B(1870), C(230), D(568), E(0) #1839554
統計: A(26), B(1870), C(230), D(568), E(0) #1839554