Animal Science

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Animal Science

• Chapter 1

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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

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Domestication

• After animals become domesticated, they become
  dependent on man
• Most cant survive in wild
• Most poultry cant fly
• Sheep dont shed wool
• Cows produce 20,000 lbs milk / year
• Birds produce 250 eggs / yr. (20 in wild)

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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

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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)

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Animal Use as Work

• Cultivate land
• Transportation
• Control other animals
• Assist physically medically handicapped
• Blind
• Epileptic Diabetic

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Other Animal Use

• Hides - leather
• Hair - wool, mohair, fiber
• Lab Animals - mice, rats, guinea pigs etc.
• Pets

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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
• ??????

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