Mary Drewnoski, Nebraska Extension Beef Systems Specialist Prior to grazing cornstalks with cattle, an estimate should be made of the amount of corn that is present in the field. Photo credit Troy Walz. Putting cows out on corn fields with a lot of corn is a recipe for acidosis (grain overload), abortion, and possibly death, if their rumen bacteria are not properly prepared. Cattle that become acidotic for even a short time can…