Famous How Much Hay Does A Cow Eat Over Winter 2022. Multiplying this daily intake times the number of days in the feeding period, we get 4,404 pounds (2.2 tons) of hay needed for this one animal. Once you’re satisfied with how much grain the cows eat, you can slowly up the grain level by 1.10 lbs every second day until you reach the desired ration.

Cows will voluntarily consume 2.0% of body weight or 24 pounds per day. The recommendation i have used is 3 pounds of hay for each 100 lbs of weight. With an average of 16% dm in the cool season forages tested, this translated to 1.44% of bw in a dm basis.