A Cow eat each Day about 90 pounds on average; 24 pounds of haylage, 2 pounds of hay, 40 pounds of corn silage, 14 pounds of shell corn and 10 pounds of protien mix. A cow will eat more if it has a calf, and more if it is pregnant.
Smaller beef cows only eat about 10-12 pounds of hay each day during the winter, and nothing more (a quarter of a bale of hay per cow per day). Larger breeds may need 15-18 pounds.
A cow swallows about 100 liters of water/day.
Manure – A cow produces 65 lbs. (29.5 kg) of feces or manure daily – that’s 12 tons (908 kg) a year. A cow can poop up to 15 times a day.
So on the picture 1 of 15.
Think about it…
Info from google docs ,wikianswers.