1. Unit 10 Dairy Science

2. Major Uses of Dairy Cattle
U.S. Average Dairy Consumption
28.8 gallons of milk
26.8 pounds of cheese
16 pounds of ice cream
4.3 pounds of butter
4.3 pounds of yogurt

3. Milk Production Selective Breeding BST Hormone Feeding Systems
Choosing superior livestock to fill herds to improve genetics
BST Hormone
Naturally occurring
Increases milk production
Controversial
Feeding Systems
Grazing
Lots
Milking Steps
Cow enters the parlor
Udder is cleaned and dried
Milking machine is attached to the teats
Cow is milked
Cow is disinfected and released to her pen

4. Dairy Processing Milk Cheese Carefully tested Pasteurized
Separated into cream and skim portions
Cheese
Americans eat 25 lbs. per year
Bacteria culture is added for fermentation
Rennet is added to speed the process
Ripens at specific temperature and time