This part of DB53/T 447 stipulates the basic principles of embryo transplantation, synchronized estrus treatment of donor cows, superovulation and insemination of donor cows, embryo recovery, embryo quality identification, cryopreservation and thawing of embryos, and embryo transplantation , pregnancy diagnosis and other technical requirements for recipient cattle. This section applies to all aspects of superovulation and embryo transfer (MOET) of BMY cattle.
DB53/T 447.4-2012 history
2022DB53/T 447.4-2022 Yuengling Cattle Part 4: Embryo Transplantation
2012DB53/T 447.4-2012 BMY Cattle Part 4: Technical Specifications for Embryo Transfer