EEE 105
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Transcript of EEE 105
EEE 105EEE 105
http://www.life.uiuc.edu/animalbiology/105/Name: eee105Password: prAIRie
AgricultureAgriculture
Genetically Modified Crops
Genetically Modified Crops
Monsanto
Bacillus thuringiensis e.g. Bt crops
a common soil bacterium produces an insecticidal protein long used by organic gardeners
bt gene inserted into crop genomes
Genetically Modified Crops
Bt corn
2001
64%
24%
Bt cornThe Starlink fiasco
Bt cornCry9C protein not digested is it allergenic?
Bt corn
Cry9C
Taco Bell
Bt corn
Genetically Modified Crops
Genetically Modified Crops• 1998 European Union bans new GMO crops• “Frankenfoods”• Japan & South Korea follow• 10/01 EU requires labeling of GMO crops• U.S. rejected labeling
Genetically Modified Crops
Bt cornIs Bt harming good insects?
Genetically Modified Crops
Integrated Pest Management
Integrated Pest Management
understand biology of pest & crop
seek to restrain, not eliminate, pest
combine genetic, chemical, biological control methods
Integrated Pest Management
Livestock Farming
a family farm
Factory FarmingFactory Farming
• Mega hog farms• 10 million hogs in North Carolina• Hog waste lagoons
Factory Farming
Factory Farming
a true lagoon
a waste lagoona waste lagoon
one mega hog farm produces one mega hog farm produces as much waste as 12,000 people as much waste as 12,000 people
Factory Farming
Factory Farming
Factory Farming
Spills, seepageSpills, seepage
Factory Farming
Spills, seepageSpills, seepageFish killsFish kills
Factory FarmingPfiesteria -- the Cell from Hell
Spills, seepageSpills, seepageFish killsFish killsPfeisteria Pfeisteria -- the Cell From Hell-- the Cell From Hell
• 70% U.S. grain production fed to livestock
• 40% of antibiotic usage is in livestock feed
• Antibiotic-resistant bacteria evolve in cattle & dairy industry
• U.S. Hormone-treated beef banned by Europe
Factory Farming
Factory FarmingBeefBeef
Factory FarmingBeefBeef
Cattle Feed lotsCattle Feed lots
Factory FarmingBeefBeef
Grass-fed cattle take 4-5 years to raiseGrass-fed cattle take 4-5 years to raise
Factory FarmingBeefBeef
Cattle Feed lotsCattle Feed lots
Reach 1200 lbs in 14 monthsReach 1200 lbs in 14 monthsCorn-fed beefCorn-fed beef
Factory FarmingBeefBeef
High is saturated fatsHigh is saturated fatsCorn-fed beefCorn-fed beef