1. Animal Science Chapter #1

2. What is Animal Science? F Care, management and production of domestic animals F Animals used for food, clothing, weapons & tools F What was the first domesticated animal? Dog for tracking, then herding

3. Domestication F After animals become domesticated, they become dependent on man F Most can’t survive in wild F Most poultry can’t fly F Sheep don’t shed wool F Cows produce 20,000 lbs milk / year F Birds produce 250 eggs / yr. (20 in wild)

4. Animal Use as Food F Meat - (muscle tissue) Beef, Pork, Lamb, Goat, Poultry F Milk - inexpensive source of protein –cheese, ice cream, yogurt F Eggs - pastries, mayonnaise, custards

5. Animal By-Products F Bones - buttons, glue, mineral supplement for livestock feed (Calcium) F Fat - chemicals, salves, creams, dressings, lubricants, soaps, food F Glands - medicines, food additives F Collagen - (connective tissue in joints) glue & gelatin F Intestinal & Stomach tissue - lunch meats, surgical sutures, strings for musical & sports instruments (contents = fertilizer)

6. Animal Use as Work F Cultivate land F Transportation F Control other animals F Assist physically & medically handicapped –Blind –Epileptic & Diabetic

7. Other Animal Use F Hides - leather F Hair - wool, mohair, fiber F Lab Animals - mice, rats, guinea pigs etc. F Pets

8. What is the future of Animal Science? F Embryo Transplant - can produce 20 calves from one cow per year F Cloning - using an animal cell to grow an identical duplicate animal F ??????