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[110] [111] The best current cloning techniques have an average success rate of 9.4 percent [112] (and as high as 25 percent [37]) when working with familiar species such as mice, [note 1] while cloning wild animals is usually less than 1 percent successful.
Estimates of this rate vary from source to source. In 2012, according to a Belgian researcher, the average success rate for animal cloning was around 5%. [27] Argentine researchers estimate that 6 or 7 embryos are needed out of 20 trials (in 2013). [31]
By 2014, Chinese scientists were reported to have 70–80% success rates cloning pigs, [28] and in 2016, a Korean company, Sooam Biotech, was producing 500 cloned embryos a day. [35] Wilmut, who led the team that created Dolly, announced in 2007 that the nuclear transfer technique may never be sufficiently efficient for use in humans. [36]
The best current cloning techniques have an average success rate of 9.4 percent, [52] when working with familiar species such as mice, while cloning wild animals is usually less than 1 percent successful. [53] In 2001, a cow named Bessie gave birth to a cloned Asian gaur, an endangered species, but the calf died after two days.
However, by 2014, researchers were reporting success rates of 70-80% with cloning pigs [41] and in 2016 a Korean company, Sooam Biotech, was reported to be producing 500 cloned embryos a day. [ 42 ] In SCNT, not all of the donor cell's genetic information is transferred, as the donor cell's mitochondria that contain their own mitochondrial DNA ...
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In 2010, the first lived equine clone of a Criollo horse was born in Argentina and was the first horse clone produced in Latin America. [51] In the same year a cloned polo horse was sold for $800,000 – the highest known price ever paid for a polo horse. [52]
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