34.母豬配種後20-30天,可以測定血清中下列那種內泌素,作為妊娠診斷之依據?
(A)早期懷孕因子(early pregnancy factor)
(B)妊娠蛋白-B(pregnancy protein-B)
(C)泌乳素(prolactin)
(D)硫酸雌酮(estrone sulphate)
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統計: A(249), B(196), C(35), D(268), E(0) #856574
統計: A(249), B(196), C(35), D(268), E(0) #856574