31.乳牛罹患濾泡囊腫時,下列何者是其較常見的併發症?
(A)pneumovagina
(B)pyometra
(C)urovagina
(D)endometritis
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統計: A(13), B(70), C(20), D(108), E(0) #1183775
統計: A(13), B(70), C(20), D(108), E(0) #1183775