Animal Science
Chapter #1
What is Animal Science?
management and production of domestic animals Animals used for food, clothing, weapons & tools What was the first domesticated animal? Dog for tracking, then herding
Care,
Domestication
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)
After
Animal Use as Food
- (muscle tissue) Beef, Pork, Lamb, Goat, Poultry Milk - inexpensive source of protein
– cheese, ice cream, yogurt
Eggs Meat
- pastries, mayonnaise, custards
Animal By-Products
- 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)
Bones
Animal Use as Work
land Transportation Control other animals Assist physically & medically handicapped
– Blind – Epileptic & Diabetic
Cultivate
Other Animal Use
- leather Hair - wool, mohair, fiber Lab Animals - mice, rats, guinea pigs etc. Pets
Hides
What is the future of Animal Science?
Transplant - can produce 20 calves from one cow per year Cloning - using an animal cell to grow an identical duplicate animal ??????
Embryo