GUIDELINE 37 REVISED Planning Dairy Stall Barns was developed cooperatively between The Dairy Practices Council and the Northeast Regional Agricultural Engineering Service, headquartered at Cornell University. This guideline provides insight for planning and constructing a dairy tie stall farm. It includes schematic drawings and various tables depicting tie stall barns. The are two supplements: 37-51 Natural Ventilation for Tie Stall Barns and 37-52 Tunnel Ventilation for Tie Stall Barns.