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ANSC 1000 Notes for Exam 1

ANSC 1000 Notes for Exam 1 - Exam 1 Tuesday Introduction to...

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Exam 1 Tuesday, January 19, 2010 Introduction to ANSC Definitions : Animal: any living thing, non-plant, capable of voluntary movement, sensation, ect. Domestic: living with man, tame to domesticate, they select the parents with the reactions they want to continue and breed them Stock: supply of goods available to be bartered or sold Livestock: useful animals kept on a farm or ranch (ex: cattle, horses, sheep) Science: branch of knowledge dealing with facts or truths Husbandry: “house-bound”; restricted in freedom origin of word “husband”; care & management of livestock Human Animal Symbiosis *What animals provide humans: -Primary: food, clothing, shelter -Secondary: energy, fertilizer, companionship *What humans provide animals: -Primary: food, shelter -Secondary: some cases companionship and security Tuesday, January 19, 2010 Issues in Agriculture Issues we face: -Headlines scare people away from agriculture food (mad cow, E.coli,ect.) Even affects internationally with other countries and trading -We have to try to fix problems and genetically fortifying animals and foods which leads to skeptical examination of genetically engineered foods -Starvation because food cannot be delivered to needy places in the world be- cause of politicians Situation in 2009: All animals must eat to live -Humans are animals, so we must eat to live Where do we get food? Fast food, Restaurant, Grocery Store? What if a catastrophe hit, and NO food? -100’s of millions of hungry people would starve Less than 2% of US population works in production agriculture -Very efficient system -Other 98% free to do other things in life But: -Only 1 in 50 know how to “create” food -If catastrophe only 3 of 150 students in the class will survive Most US citizens have never known hunger -Don't care where food comes from -It’s always just been there, figure it will always be -So “ag problems” aren’t their problems “Urban isolation” 1
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-98% never worry about their next meal -2 to 3 generations removed from a family farm -Don’t understand or appreciate agriculture Other things we take for granted: -Consumer goods (clothing, electronics, ect.) -Safety and health care The public is more concerned about: -”Absolute” safety and health -Quality of life -Better material things than the next person Mass media dominates perception of world -TV, internet, magazines To get viewers and sell advertising space: -Sensationalize issues -Report personal perception, often without facts -Use celebrities as “experts” (better ratings) -After awhile, perception becomes reality Biotechnology: Original definition: -”Bio” = life -”technology” = producing, manufacturing, the study of -”Biotechnology” = the use of life to produce products Example: -Genetic engineering (ex: bovine somatotropin) -Bacteria given gene to synthesize growth hormone -Boosts milk production in dairy cows Public concerns -”You’re messing with Mother Nature” -Unknown long-term effects -Economic consequences (ex: BST) Consumer concerns: Food safety: -Microorganisms (ex: E.coli 0157:H7)
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