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The Study on Somatic Cell Cloned Cattle in China |
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Abstract Because of the important role of cloning technique in husbandry production, therapy of the disease, study of the basic theory and the conservation of animal resource, the efficiency of the cloning technique was becoming the present focus of the study. The factors related to the cloning technique were reviewed in the paper. The effect of different cell lines on the efficiency of somatic cell cloned cattle were different, the blastocyst rate, pregnant rate and calving rate of fetal cells and the cumulus cells were higher than ones of adult fibroblast. The study about refrigerant conservation of cloned embryos and oocyte indicated that the vitrification refrigeration method could be used to freeze the oocyte and the cloned cattle embryos. The new progress of the study on mammalian cell clone and the efficiency of somatic cell clone were also discussed in the review, and the urgent problem in somatic cell clone was presented in the article.
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Received: 29 April 2006
Published: 25 October 2006
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