Himfr Reports China's Successful Cloning Of The World's Top Beef
"Dragon" kind of achievements "Long" and "Two Long
," China's dairy industry will reverse the backwardness
Yesterday, reporter learned from China Agricultural University, the world's top Holstein bull "Dragon" in China, successful cloning. At present, the two were named "Big Long" and "2 Long" Cloning of a small bull has attained the age of six months of age, identification of the Committee agreed that the top Holstein bulls somatic cell cloning technology, the overall efficiency of production has reached international leading level, which My field of animal cloning is another major progress. It is reported that the use of somatic cell cloning technology protection and propagation top Holstein bulls will fundamentally change the backwardness of China's dairy industry, producing enormous economic and social benefits.
According to reports, China Agricultural University in Science and Technology, Ministry of Education, Ministry of Agriculture and the Beijing Municipal Science and Technology Commission and other multi-funded, with the Beijing Dairy Cattle Center, Shandong Liangshan County Kelong Animal Husbandry Industry Co., Ltd. and a number of units have conducted on the body cell cloning technology to produce quality research and application of bull. China Agricultural University, Dr. Li Ning and the discussion group on the top Holstein bulls for somatic cell cloning technology research and test the system and made breakthrough progress. Researchers in February 2003 in Beijing Dairy Cattle Center Yanqing base collection, including "Dragon" long including the top bull in the ear skin samples and skin fibroblasts were isolated, cloned. A total of 65 blastocysts pilot training, in which 34 were transplanted to 15 Luxi cattle uterine receptors. 9 cattle pregnancy, in which more than 5 cattle 7 months of pregnancy, childbirth 4 cow give birth to five clones were young bulls. March 11, 2004 morning bull "Dragon" the first successful birth of cloned individuals, the cloned cattle weighing 36 kg at birth, in good physical condition; March 17 "Dragon," the second birth of the first successful cloning of the individual. Currently, the two cloned bulls are very strong, has been at least six months of age. At present, the research results have been organized by the Ministry of Education, scientific and technological achievements appraisal, appraisal committee agreed that the top Holstein bulls somatic cell cloning technology, the overall efficiency of production has reached international leading level. For the world's top bull in the "Dragon" successful cloning, Comrade Zhu Rongji is very happy, and in May 1, 2004, happy for the two clones named "Big Long" and the "Long", and wish our country, "clone booming" .
Data show that China's dairy production is only 2.5% of world production. In 2002, China's per capita share of 10.9 kg of milk, the world's per capita level equal to only 1 / 9, the level of developed countries in per capita 1 / 25. Milk, especially cow seed shortage is affecting the great obstacle to the development of China's dairy industry.
At present, breeding bull in the current situation is worrying, the main breeding bull imported. In recent years such as Canada and the United States have discovered that mad cow disease, China has stopped imports of live cattle from these countries and cattle, semen, embryos and related products. Expected 2 years -3 years, our current best bull in the most will be eliminated, and our body cell cloning technology, appearance and maturity, no doubt get the best for our country in a short time break leading bull in a shortcut.
by: himfr
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