![Some of Rob Ewoldt's 2,500 hogs peer out of a barn in late May. Iowa is the nation's leader in hog production, followed by North Carolina.](https://will.illinois.edu/images/uploads/49368/052518_mb_contractfarming_hogs__medium.jpg)
Lawsuits Over Animal Manure Wafting Toward Meat Companies, Away From Farmers
There’s a new strategy when it comes to combating the smells and air quality concerns that arise from large-scale animal feeding operations: Blame the company, not the farmer.