« View All Posts Subscribe By: Angie Dobson on March 1st, 2013 Print/Save as PDF Video: David Rydberg explains the rate of gain difference between a monoslope and outdoor feedlot Uncategorized Share: David Rydberg of Essex, Iowa explains how building longevity, manure management, ventilation, and rate of gain were all factors in his decision to build a Summit Livestock Facilities monoslope beef barn.