64.感染下列何者可造成牛之流產?
(A)犬新胞蟲(Neospora caninum)
(B)弓蟲(Toxoplasma gondii)
(C)住肉胞子蟲(Sarcocystis spp.)
(D)球蟲(Eimeria bovis)
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統計: A(1120), B(378), C(13), D(18), E(0) #942218
統計: A(1120), B(378), C(13), D(18), E(0) #942218