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Animal Science Chapter #1 What is Animal Science? Care, management and production of domestic animals Animals used for food, clothing, weapons & tools What was the first domesticated animal? Dog for tracking, then herding Domestication
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Animal Science Chapter #1
What is Animal Science? • Care, management and production of domestic animals • Animals used for food, clothing, weapons & tools • What was the first domesticated animal? Dog for tracking, then herding
Domestication • After animals become domesticated, they become dependent on man • Most can’t survive in wild • Most poultry can’t fly • Sheep don’t shed wool • Cows produce 20,000 lbs milk / year • Birds produce 250 eggs / yr. (20 in wild)
Animal Use as Food • Meat - (muscle tissue) Beef, Pork, Lamb, Goat, Poultry • Milk - inexpensive source of protein • cheese, ice cream, yogurt • Eggs - pastries, mayonnaise, custards
Animal By-Products • Bones - buttons, glue, mineral supplement for livestock feed (Calcium) • Fat - chemicals, salves, creams, dressings, lubricants, soaps, food • Glands - medicines, food additives • Collagen - (connective tissue in joints) glue & gelatin • Intestinal & Stomach tissue - lunch meats, surgical sutures, strings for musical & sports instruments (contents = fertilizer)
Animal Use as Work • Cultivate land • Transportation • Control other animals • Assist physically & medically handicapped • Blind • Epileptic & Diabetic
Other Animal Use • Hides - leather • Hair - wool, mohair, fiber • Lab Animals - mice, rats, guinea pigs etc. • Pets
What is the future of Animal Science? • Embryo Transplant - can produce 20 calves from one cow per year • Cloning - using an animal cell to grow an identical duplicate animal • ??????