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15 Cards in this Set
- Front
- Back
5 Reasons Farm Animals Useful to Humans
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1. nutrients
2. mechanical work and clothing 3. companionship 4. economic activity and income 5. human health |
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Domesticated
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when human's control the animal's breeding and food supply for human use
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Tamed
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animal not bred in captivity, but captured and tamed for human use
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First domesticated animals:
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1. dog
2. sheep 3. goat 4. pig 5. cows 6. horses 7. donkey |
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6 Reasons Farm Animals Easily Domesticated
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1. Diet (don't eat humans)
2. Growth Rate (low generation interval) 3. Reproduce in captivity 4. Temperament towards humans 5. Don't panic around humans 6. Social hierarchy |
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Nutrient Dense
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supplies a high level of nutrients compared to calorie content
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Draft Animals
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large mammals that can pull, push, or carry heavy loads
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Renewable
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fiber products (wool) harvested multiple times from same animal
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Nonrenewable
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hides or skins
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Pet
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animal kept for pleasure, not utility
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Source of Economic Activity and Income
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Cattle 50 billion
Dairy 35 billion Poultry 32 billion Swine 14 billion Sheep 0.4 billion |
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Ways Animals Benefit Human Health (6)
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1. cures from animal testing
2. protein C, hemoglobin, xenografts, heart valves, skin grafts (swine) 3. assisted fertility techniques 4. ultrasound procedures 5. cystic fibrosis 6. breast cancer |
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Ways Animals Detrimental to Human Health (3 cattle, 2 swine, 1 bird)
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- zoonotic diseases
Cattle: -measles (cattle rinderpest) -tuberculosis (cattle) -smallpox (cattlepox) Swine: -influenza -pertussis whooping cough Birds: -malaria |
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Zoonotic Disease
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transferable between humans and animals
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Animal Science
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the investigation of animals for benefiting both humans and animals
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