1. Mrs. De Angelo East Heritage 2 nd grade www.ecosherpa.com

2. Where does milk come from? A. Outer space B. Trees C. Dairy Cows D. East Heritage www.cbc.ca/.../space/gfx/titlephoto_space.jpg

3. Milk comes from Dairy Cows Cows must have a calf in order to produce milk.Cows must have a calf in order to produce milk. Diets consist of hay, grains, protein sources and other vitamins and minerals.Diets consist of hay, grains, protein sources and other vitamins and minerals. Cows can drink anywhere from 25 to 50 gallons of water a day.Cows can drink anywhere from 25 to 50 gallons of water a day. www.rockymtnrefl.com/cows.jpg

4. Farm life Cows are milked 6-8 minutes, 2 to 3 times per day.Cows are milked 6-8 minutes, 2 to 3 times per day. Dairy cows give an average of 6-1/2 gallons of milk per day. That's over 100 glasses of milk.Dairy cows give an average of 6-1/2 gallons of milk per day. That's over 100 glasses of milk. Many farmers have freestall barns, here cows are “free” to move about to eat, drink or rest whenever and wherever they like.Many farmers have freestall barns, here cows are “free” to move about to eat, drink or rest whenever and wherever they like. www.ruralni.gov.uk/cows_feeding.jpg

5. Pumping An automatic milking machine collects the milk from the utters.An automatic milking machine collects the milk from the utters. Milk flows through refrigerated pipes to a sanitized bulk tank.Milk flows through refrigerated pipes to a sanitized bulk tank. It is cooled down from the cow’s body temperature, about 100 degrees F, to 40 degrees F.It is cooled down from the cow’s body temperature, about 100 degrees F, to 40 degrees F. The milk is never touched by human hands!The milk is never touched by human hands! www.oznet.ksu.edu

6. Holding truck Milk is chilled in a bulk tankMilk is chilled in a bulk tank The milk truck driver takes a sample of the milk to test for impurities that would compromise quality.The milk truck driver takes a sample of the milk to test for impurities that would compromise quality. If residue is detected, the entire tank of milk is immediately discarded.If residue is detected, the entire tank of milk is immediately discarded. paonfarminterns.cas.psu.edu

7. Final steps This process begins when all safety tests are passedThis process begins when all safety tests are passed Pasteurization involves heating the milk to destroy any harmful microorganisms that may exist.Pasteurization involves heating the milk to destroy any harmful microorganisms that may exist. The milk is homogenized and separated to create a smooth white consistencyThe milk is homogenized and separated to create a smooth white consistency www.interagro.ro/POZE/agro14.jpg

8. Milk products MilkMilk CheeseCheese Ice creamIce cream YogurtYogurt ButterButter www.aipl.arsusda.gov/kc/DAIRY2A.JPG

9. Grocery store It takes about 2 days for milk to go from the cow to the grocery store.It takes about 2 days for milk to go from the cow to the grocery store. At the grocery store, milk is kept refrigerated at 40 degrees or lower.At the grocery store, milk is kept refrigerated at 40 degrees or lower. Milk arrives cold in a refrigerated truck.Milk arrives cold in a refrigerated truck. Milk usually travels 100 miles to you!Milk usually travels 100 miles to you! delivery.viewimages.com