29.下列何種病原會讓雞隻產出如下圖蛋尖異常(eggshell apex abnormality)的蛋?
(A)Avibacterium gallinarum
(B)Mycoplasma synoviae
(C)Aspergillus flavus
(D)Salmonella Gallinarum
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統計: A(480), B(1820), C(189), D(395), E(0) #2181403
統計: A(480), B(1820), C(189), D(395), E(0) #2181403