There’s a different look to Cornfed Farms in Iowa County these days. Gone are the open feedlots and aging facilities. Now there’s a 999-head capacity monoslope barn in which the Mohr family raises cattle. It’s a better space for their cattle, and it’s helped eased their concerns about the farm’s environmental footprint, they say.

Alan and Sara Mohr have been feeding cattle for 15 years. Both come from multi-generational livestock farm families. They were raising cattle in barns and feedlots that Alan’s...