Hay: Weigh, Test and Sample Before You Buy Three hay-buying tips. by Linda Geist, University of Missouri Extension Weigh, test and sample hay before buying or selling, says University of Missouri (MU) Extension Livestock Specialist Eldon Cole. Beef producers rely on good-quality hay to boost profits. “Unfortunately, our hay production is not always the greatest quality,” Cole says. “The category we excel in is ‘other grass hay’ — specifically, cool-season grass or mostly…