But the move to group pens requires building new barns and renovating old ones, more labor and more training for workers. Veterinary costs can go up because sows tend to fight and sometimes injure ...

Mr. Landsiedel, 30, who wore a bow tie and a white lab coat, is one of only about 10 ... to a pen show. But oftentimes, instead of you finding the pen, the pen finds you.” A New Super-Group ...