The success of "embryo transfer" of dairy cattle

Introduction: a few days ago, good news came from Guangxi Animal Husbandry Research Institute For the first time, the No.22 cow, which was used as the donor for embryo transfer, successfully gave birth to a 48 kg calf According to experts, the successful application of this technology means that the Australian Holstein cow, a fine breed, can be widely propagated in the subtropical areas of China, thus ending the history of milk with weak taste in these areas and promoting the efficient development of milk industry This kind of cow is heat-resistant, the blood protozoa disease never touches the body, the hoof is not easy to rot in the rainy season, the postpartum mastitis is less, it can not only be farmed, but also grazed, suitable for the growth of subtropical areas Moreover, each Australian type Holstein cow has an annual output of 4500-5000 kg of fresh milk, which is rich in milk quality, good in taste and has a broad market prospect Mo Kaoshi, a senior animal husbandry teacher at Guangxi Animal Husbandry Research Institute, said that bovine embryo transfer is to inject biological hormones into the donor cattle, make them superovulate, and then carry out artificial insemination, wash out the fertilized eggs, and put them into other estrous cows to "produce by abdomen" The successful application of embryo transfer technology means that an Australian Holstein cow can be used as a donor, and 20 embryos can be supplied in one year At present, Australian Holstein cows have been listed in the list of famous and special breeds in Guangxi (author:) share to feed Weibo share to: