The study is funded by the Coalition for Sustainable Egg Supply [1] which is "facilitated" by the Center for Food Integrity [2], which is run by a PR firm on behalf of ConAgra, Monsanto, Tyson, and others.
It makes me sad that NPR is slowly turning into just another mouthpiece.
[1] http://www2.sustainableeggcoalition.org/
[2] http://www.sourcewatch.org/index.php?title=Center_for_Food_I...