High-yield Dairy Cow Embryonic Factory Production Technology Successfully Staged

Recently learned from the Institute of Biotechnology of the Henan Academy of Agricultural Sciences that the National Agricultural Science and Technology Achievements Transformation Fund Project “Study and Demonstration of the High-yielding Dairy Cattle Embryonic Factory Production Technology System” received a phased success after one year of implementation. Has mastered the core technology of high-yield dairy cattle embryo factory production technology system, and has complete independent intellectual property rights. High-yielding dairy cow embryo factory production technology, early embryo sex identification technology, embryo freezing and one-step thawing transplantation technology and related technology comprehensive support, can significantly improve the efficiency of dairy cow embryo transfer, to achieve the purpose of rapid expansion of high-yield dairy cows. Within one year of the implementation of the project, 450 usable embryos were obtained through superovulation and non-operative embryos, and 220 female embryos were obtained through sex identification. 660 in vitro fertilized blastocysts were obtained through high-yield dairy cattle for continuous egg retrieval. Identification of 325 available female blastulas. The project also achieved social and economic benefits of 2.334 million yuan and direct economic benefits of 47.71 million yuan. It was also learned that the agricultural science and technology leapfrogging project jointly undertaken by the Henan Academy of Agricultural Sciences and the Henan Agricultural University, “Application of Embryonic Biotechnology to Rapidly Expand the Breeding of Improved Breeding Dairy Cattle and Scaled Healthy Breeding Trial Demonstration” can effectively improve the milk cows in China. The quantity and quality. Embryonic biotechnology can be used to rapidly breed good-quality dairy cows, and it is possible to better tap the reproductive potential of elite female animals and to preserve genetic material for a long period of time. In the natural state, cows can only leave 3-4 head females, and the use of embryo biotechnology can overcome the limitations of the breeding cycle and reproductive efficiency of animals under natural conditions. The speed of their reproductive offspring is more than ten or even dozens of times under natural conditions. Times, thus rapidly increasing the number of good-quality dairy cows, many countries in the world with developed animal husbandry use embryonic biotechnology to quickly expand breeds of dairy cows. The adoption of embryo biotechnology can greatly shorten the gap between China and the livestock industry in the breeding of dairy cattle, save a lot of manpower, material resources and time, so that China's dairy industry's industrialization process toward high efficiency, scale, and intensive development.

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