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Intro to Animal Scie

Chapter 1: Intro to Animal Science

The branch that deals with domestic animals is called _________? Animal Science
To produce a more stable food supply from the land, humans developed __________? Agriculture
The most important us for animals for humans is food. Name the 5 other uses. 1. Religion 2. Companionship 3. Sports 4. Recreation 5. Manufacturing
DNA sequencing suggest that the dog may have been domesticated 135,000 years ago, but archeological evidence suggest that the dog was domesticated ____________ years ago. 14,000 years ago (12,000) BC
When were sheep domesticated? 8000 BC
When were goats, pig, and cattle domesticated? 6500 BC
When were chickens domesticated? 6000 BC
When were llamas domesticated? 5500 BC
When were donkeys domesticated? 4000 BC
When were horses domesticated? 3500 BC
When were reindeer domesticated? 3000 BC
Who were the first group to domesticate animals? Hunter-gatherers
List 8 animal science specialties. 1. Animal Genetics 2. Animal Physiology 3. Nutrition 4. Biotechnology 5. Meat science 6. Dairy product science 7. Ethology 8. Animal Health
How many large farm animals are distributed throughout the world? 4.5 billion
How much poultry is distributed throughout the world? 19.8 billion
What is the percentage of large farm animals found in developing countries? Greater than 2/3
How much of the worlds meat, milk, and wool come from large farm animals is developing countries? What are some reasons? 1/3 Lack of technology, different objectives of production, disease challenges, and environmental stresses.
List 6 food contributions of animals to humans 1. Meat 2. Blood 3. Fat 4. Edible slaughter by-products 5. Milk 6. Eggs
List 7 body covering contributions of animals to humans 1. Pelts 2. Feathers 3. Fur 4. Hair 5. Hides 6. Leather 7. Wool
List 2 work contributions of animals to humans 1. Draft and other labor 2. Transportation
List 4 body waste contributions of animals to humans 1. Fuel 2. Fertilizers 3. Construction material 4. Animal feed
List 6 other uses for animals 1. Income 2. Recreation 3. Storage of capital 4. Prestige 5. Religion/ cultural needs 6. Companionship
Humans eat plants and animals, meaning humans are __________? Omnivores
Plants supply ___% of the total food energy consumed by the world. 82.8%
Animal product supply __% of the total food energy consumed by the world. 17.2%
Animals supply __% of the world's protein. 38.5%
Meat supplies __% of the world's protein. 49.5%
Milk provides __% of the world's protein. 25.8%
Fish supplies __% of the world's protein. 16%
Eggs supply __% of the world's protein. 8.7%
Meat, eggs, and dairy products are dense in? Nutrients
__% of the calories in the average diet in North America is from animal products compared to __% for the average African? 27% 7.4%
Draft animals are important in what three countries? Asian, African, and Latin American
What amount of feed in the U.S is inedible for humans? 2/3
List 6 feeds in U.S. livestock that is not suitable for human consumption. 1. Hay 2. Coarse forages 3. Damaged foods 4. By products 5. Garbage 6. Pasture
The world's population is expected to reach 9 billion by what year? 2050
Created by: Alexius1