32.羊的發情同期化方法中常使用的荷爾蒙藥物為何者？
(A)melengestrol acetate, FSH, prostaglandin
(B)progesterone, prostaglandin, eCG
(C)hCG, melatonin, luteinizing hormone
(D)estradiol, progesterone, GnRH

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統計： A(19), B(130), C(24), D(67), E(0) #1183776