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The Food and Drug Administration (FDA) added to a small list of gene-edited animals that can be used in the food supply chain with its approval of a pig produced to resist one of the world’s most costly livestock diseases.
The FDA on April 29 announced its approval of the pig made to be resistant to Porcine Reproductive and Respiratory Syndrome (PRRS). The pigs’ genes are edited with CRISPR technology to delete a small portion of their DNA coding, Exon 7 of CD163, which regulates the protein that PRRS viruses use to infect a…