17.下列何者是牛隻較常見之先天性心血管疾病?
(A)永存性動脈導管(patent ductus arteriosus)
(B)心室中膈缺損(ventricular septal defect)
(C)左心室發育不全(hypoplasia of the left ventricle)
(D)右心室發育不全(hypoplasia of the right ventricle)
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統計: A(1), B(1), C(0), D(2), E(0) #3973616
統計: A(1), B(1), C(0), D(2), E(0) #3973616