Awasome How Much Hay Does A Finisher Cow Eat A Day References. In order to use this method of calculating winter hay needs, estimate the number of days you. Cows will voluntarily consume 2.0% of body weight or 24 pounds per day.
This will help you make a plan and to know how much hay to buy per year for your herd. Unfortunately we also have to consider hay wastage. When all the cows in a group eat hay readily, you can start to feed them grain.
