1. Dairy Science and Milk

2. What are some examples of dairy products????

3. Six Basic Nutrients
Carbohydrates
Fat
Minerals
Proteins
Vitamins
Water

4. Milk is a good source of. . . Minerals Calcium Phosphorus Vitamins
Vitamin A
Vitamin D

5. Composition of Milk 3.7% Fat
4.5% carbohydrates (primarily in form of lactose)
3.2% protein (85% in for of casein . . .common in white glue)
0.7% minerals and salts
87% Water

6. Processing Pasteurization
Process that eliminates all pathogenic microorganisms
Homogenization
Process that breaks down the fat to reduce its tendency to rise to the top

7. Cow Facts Lactating cow will drink ~ 30 gallons of water per day
Produce ~ 6 gallons per day
Milks 10 months out of year and “dry” the remainder of the time

8. Milk Fat Facts Skim Milk – 0% fat Low Fat Milk – 1% fat
Whole Milk – 3.5% fat

9. Dairy Science FYI
If raw milk is allowed to stand, cream will rise to the top
Ice cream freezes at 21 degrees F

10. Dairy Science FYI (cont.)
Butter is made from cream and contains 80% fat
Buttermilk is low in fat
The ideal temperature to “curdle” milk is 98.6 degrees F