Saturday is National Milk day -- a date selected in honor of the first milk delivered in a bottle on Jan. 11, 1878. Here's some fun facts about milk from MooMilk.com:

• A cow drinks approximately 30 to 40 gallons of water each day!
• Mother cows produce up to 8 gallons of milk per day.
• During Homogenization the butter fat is broken up and mixed into the rest of the milk.
• The Pasteurization process consists off quickly heating the milk to 145 degrees Fahrenheit, killing any bacteria that might be found in the milk.
• More here.

Question: How much cow's milk do you drink in an average week?