Besides, protocol of transfer, recipient breeding and management, timing and reason of embryo transfer are important to Doper embryo transfer.

• 此外，受体羊的处理程序及移植后的饲养管理、移植时机的把握、移植季节以及胚胎冷冻及解冻方法也会影响杜泊羊移植妊娠率，进而影响产羔率。