Wednesday, March 1, 2017

Gene-edited pigs show signs of resistance to porcine reproductive and respiratory syndrome.{PRRS)

Scientists have produced pigs that may be protected from an infection that costs the swine industry billions each year. The team have used advanced genetic techniques to produce pigs that are potentially resilient to Porcine Reproductive and Respiratory Syndrome (PRRS). Early tests have revealed that cells from the pigs are completely resistant to infection with both major subtypes of the virus that causes the disease. PRRS causes severe breathing problems in young pigs and breeding failures in pregnant females. PRRS is endemic in most pig producing countries worldwide. Vaccines have mostly failed to stop the spread of the virus, which continues to evolve rapidly. Consequently, it is one of the greatest challenges facing pig producers today.

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