This farm raised thousands of pigs for slaughter. Now it's growing mushrooms instead

The U.S. gets nearly a third of its pork from Iowa. One family is making the switch from pigs to more sustainable specialty mushrooms and trying to show other pig farmers how they did it.

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/1370x913+0+0/resize/1370x913!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F76%2Ff0%2Fe977506b4da8b313d83bd18dc1d0%2Ftanner-faaborg-1100-farm-web.jpg' alt='Tanner Faaborg poses for a photo at his farm in central Iowa. The Faaborg family grows specialty mushrooms at 1100 Farm in central Iowa.'/><p>The U.S. gets nearly a third of its pork from Iowa. One family is making the switch from pigs to more sustainable specialty mushrooms and trying to show other pig farmers how they did it. </p><p>(Image credit: Madeleine Charis King)</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5944503' />