A bright black-and-white cloned Yak was born on the 19th in Xinhua Dairy Farm, Lutai Economic and Technological Development Zone, Hebei Province. From the appearance, this yak is no different from ordinary cows, but its body has introduced the world's most advanced drug protein transgene. Its successful birth marks a major step forward in China's GM cloning technology. The yak's "surrogate mother" is a Luxi cattle. It was implanted on the 19th of last year as a cloned embryo. June 19th this year is its expected date of delivery. In order to avoid accidents such as dystocia, animal husbandry and veterinary staff decisively decided to undergo caesarean section operation. At 9:59 a.m. the same day, the yak was pulled out of the mother by the veterinarian. At 1010, the yak squeaked. By 13:40, the yak has been able to stand alone and eat normally. The successful application of gene cloning technology has opened the prospect of biotechnology for the benefit of mankind to a brighter future. If someone tells you: In the near future, if you get sick, you don't have to take an injection, but instead drink milk. You might think that it is a fantasy. But the successful birth of this yak has made this idea possible. This GM cloned cow imports the world's most advanced drug protein gene into the bovine genome. After the clonal cell is grown into an embryo, it is implanted into the uterus of a surrogate mother. After the cow grows milk, the milk contains a certain drug antigen that can be used to control the corresponding disease. Therefore, some people claim that GM cows are "grazing the grass and squeezing out the medicine." They are the future "drug factories." The technology of transgenic cloning is a major issue in the field of biotechnology in the country's "863" program. It is jointly developed by the China Agricultural University, the Institute of Animal Husbandry of the Chinese Academy of Agricultural Sciences and the Lutai Economic and Technological Development Zone. Since the Lutai New Flower Dairy Farm became the biological experiment base of China Agricultural University in September 2001, eight cloned cattle have been born here. By the end of this year, there will also be six GM cows.
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