69.由下圖陰道抹片推論該母犬應處於動情週期的那一時期?
(A)動情前期(pro-oestrus)
(B)動情期(oestrus)
(C)動情後期(metoestrus)
(D)發情休止期(anoestrus)
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統計: A(446), B(214), C(1342), D(343), E(0) #2183763
統計: A(446), B(214), C(1342), D(343), E(0) #2183763