30.馬原蟲性腦脊髓炎的病原為:
(A)Sarcocystis neurona
(B)Besnoitia bennetti
(C)Neospora caninum
(D)Isospora spp.
答案:登入後查看
統計: A(2062), B(339), C(281), D(162), E(0) #1587836
統計: A(2062), B(339), C(281), D(162), E(0) #1587836