Why are scientists genetically editing pigs?

Breakthrough in making the animals resistant to disease poses ethical and legal dilemma

pigs at US farm
(Image credit: Scott Olson/Getty Images)

Scottish scientists from the same institute that created Dolly the Sheep have genetically modified pigs that are resistant to one of the world’s costliest livestock diseases.

But the breakthrough by scientists from the University of Edinburgh “poses a headache for ministers, because the technology for carrying out gene surgery on livestock is advancing so rapidly that public opinion and the law have not caught up”, says The Times.

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