Pigs modified to excrete less phosphorus win limited approval in Canada.
Pigs modified to excrete less phosphorus win limited approval in Canada. By Anne MinardMarch 30, 2010; National Geographic NewsGenetically altered "Enviropigs" can pass on greener genes to their offspring. Photograph by Cecil W. Forsberg Move over, bacon. Here comes something greener. A genetically engineered pig recently approved for limited production in Canada makes [...]