To explore the relations of the strains of embryo and pseudopregnant recipient to live birth rate of embryo transfer and the feasibility of mixed transfer of different embryo strains.
探讨不同受体鼠和供体鼠品系对胚胎移植成功率的影响以及不同品系胚胎混合移植的可行性。
AIM: to explore the relations of the strains of embryo and pseudopregnant recipient to live birth rate of embryo transfer and the feasibility of mixed transfer of different embryo strains.