48.家禽缺乏下列何種礦物質,會引起脫腱症、脛骨踝畸形與腓腸肌異位?
(A)fluorine
(B)copper
(C)chromium
(D)manganese
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統計: A(118), B(695), C(470), D(1930), E(0) #1944318
統計: A(118), B(695), C(470), D(1930), E(0) #1944318