129838017193750000_67Inner Mongolia was born the world's first transgenic cow can produce low-lactose milk
Inner Mongolia agricultural University key laboratory of bio-manufacturing, life sciences, June 9 announcement to the media, they nurture the world's first transgenic cow was born with lactose decomposing enzyme gene and healthy growth; this achievement for training "low-lactose dairy cow" new varieties to provide significant technical basis. According to Xinhua, the afternoon of June 9, located in the outskirts of Hohhot in Inner MongoliaCow breeding base of new genetically modified "low-lactose dairy cow" when the calf
click here, it is playing Daniel and companions in the bar, and nurse under the drill to its mother's abdomen from time to time, General friesian cows and calves look no different. According to Inner Mongolia agricultural University, animal biotechnology, life sciences major syndey Zhang, one of Professor
http://www.powerleveling.us/diablo-3, head of special projects, the name "Sussex "transgenic calf was born on April 24, 2012, is currently in good health. Syndey Zhang said that in May 2011, their research teams in a friesian cows pregnant 45 days to extract a fetus fibroblast cells, and then in the laboratory through a transfer program, decomposing enzyme Galactose gene in the cell, then built with go lactose enzyme decomposition baseCloning of bovine embryos, and in July 2011 to transplant it into receptor cow body and make it a successful pregnancy.
After 283 days pregnant, receptor cow normal deliveries, "Sussex" was born. "Lactose decomposition enzymes, can break lactose down into galactose and glucose use by a person. The "syndey Zhang said, there are some people in the crowd because of the lack of decomposition enzymes of galactose and not to drink fresh milk,Reason is because milk contains lactose. When you lack of lactase in the body content, the lactose in the milk cannot be absorbed in the intestine and fermentation, which produces large amounts of carbon dioxide, causing abdominal distension, abdominal pain, cause stomach upset, indigestion. Therefore, these people to milk a wide berth. "Low-lactose dairy" was born, is expected to suffer from "lactose intolerance"Population with "reassuring milk". Syndey Zhang says, they "Sussex" Detection shows that lactose decomposing enzyme factor has in its full expression in the body.
It grows to 25 months, normally after calving, low lactose milk production. The team led by Professor Zhou Huanmin of Inner Mongolia agricultural University last year on 14 cows move implemented enzyme genes in embryo transfer Galactose decompositionPlant, 3 months pregnancy test pregnancy 7, pregnancy rates of up to 50%. In April 2012, the Communist calves due pregnancy 5, calving rate of 36%.
After identification, 5 calves 3 in decomposition of head turning lactose gene expression of success, but the other 2 die within the first 24 hours of the birth. Zhou Huanmin said, "low-lactose dairy cows" by promising, does not contain lactose orNew varieties of low-lactose milk cows, is bound to have a significant economic and social benefits. 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