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Belgian Blue cattle are hulking animals that provide unusually large amounts of prized, lean cuts of beef, the result of decades of selective breeding. Now, a team of scientists from South Korea and China says that it has created the porcine equivalent using a much faster method.
These ‘double-muscled’ pigs are made by disrupting, or editing, a single gene — a change that is much less dramatic than those made in conventional genetic modification, in which genes from one species are transplanted into another. As a result, their creators hope that regulators will take a lenient stance towards the pigs — and that the breed could be among the first genetically engineered animals to be approved for human consumption …. http://www.nature.com