Incredible How Many Feet Does A Cow Need To Eat References. Cows technically don’t have 4 stomachs, they have only one, but it has 4 compartments. The calculation to determine the number of cows you need with intensive grazing is based on animal units (au), based on a mature 1000 lb cow.

A gallon of milk weighs 8.6 lbs. If using individual calving pens, they should be around 140 square feet (common dimensions are 10 x 14 feet and 12 x 12 feet). This kind of stomach is essential for eating grass.