31.下列何者為造成雞隻跛腳與關節腫脹之主因?
(A)Mycoplasma gallisepticum
(B)Mycoplasma hyopneumoniae
(C)Mycoplasma rhinitis
(D)Mycoplasma synoviae
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統計: A(114), B(10), C(81), D(1592), E(0) #942185
統計: A(114), B(10), C(81), D(1592), E(0) #942185