Science
‘Surrogate sires’ could create specially bred livestock, say scientists – The Guardian
Successful trials on mice show potential to produce sperm from elite breeders in sterile animals
Scientists have used gene-editing to create pigs, goats and cattle that can serve as so-called surrogate sires male animals providing sperm that carry the genetic traits of elite donor animals in a bid to tackle global food insecurity.
For thousands of years, farmers have selectively bred livestock to champion superior traits such as disease resistance and heat tolerance, but techniques such as artificial insemination are often limited by technical and logistical challenges.
But by using the g…
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