Report: Canada to approve GM 'enviropigs' - UPI.com

The Yorkshire pigs were developed by researchers in Ontario at the University of Guelph, who spliced in genes from mice to decrease the amount of phosphorus produced in the pigs' dung, the report said. The genetic modification means the new strain of pigs produce 30 to 65 percent less phosphorus in their waste, which has been problematic in surface and groundwater around large livestock operations, Canwest said.

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