Transcript 8TH_GRADE_files/Unit 9 - The Livestock Industry

Unit 9
The Livestock
Industry
Animal Species
• Species – most detailed classification
• Same species?
– Can they successfully produce offspring?
U.S. Animal Industries
• Beef
– largest agricultural segment
– 70 lbs. per person annually
– three main production parts
• Swine
– third largest meat industry
– U.S. is third in the world
– three production phases
• Sheep
– Raised in every state
– Americans eat 2.5 pounds
– Five classes of wool
• Goat
– Growing in the U.S.
– Four types of operations
• Horse
– Used for recreation,
rodeo, pleasure, racing
Livestock By-Products
• Edible
– Intestines, liver, tongue
• Inedible
– Cosmetics, shaving cream,
fabric softener, paint
• Medical
– Insulin, asthma, upset
stomach
Livestock Nutrition
• Nutrition
• Feed
• Ration
• Supplement
• Nutrients
– 6 major classes
• Water
• Carbohydrates
• Minerals
• Vitamins
• Protein
• Fat
Livestock Diseases and Parasites
Good Health
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Content Animal
Alertness
Chewing Cud
Shiny Hair Coat
Bright Eyes
Pink Membranes
Normal Body Temperature
Poor Health
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Rough Hair Coat
Dull, Glass Eyes
Standing Alone
Head Down
Abnormal Feces
High Temperature
Labored Breathing
Diseases
Parasites
Advances in Livestock
Reproduction
• Artificial Insemination
– Manually placing sperm cells close to eggs
– Allows the use of superior genetics
• Cloning
– Organism genetically identical to
another living organism
Ethical Issues
• Ethics
– System of moral principles that defines right and
wrong
• Cloning
– FDA does not address
– Worldwide debate