3.下列何者不是造成馬匹慢性消瘦的原因?
(A)復發性氣道阻塞(recurrent airway obstruction)
(B)運動引發之肺出血(exercise-induced pulmonary hemorrhage)
(C)長期疼痛
(D)慢性下痢
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統計: A(318), B(1977), C(30), D(23), E(0) #1588504
統計: A(318), B(1977), C(30), D(23), E(0) #1588504