Worldwide transformation of diets, burdens of meat production and ...
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By v smil · 2002 · cited by 270 — shares of available food energy derived from animal foods in relation to national gross domestic product measured in terms of the purchasing power parity [23].
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Worldwidetransformationofdiets,burdensofmeatproductionandopportunitiesfornovelfoodproteinsVaclavSmil*UniversityofManitoba,DepartmentofGeography,WinnipegMBR3T2N2,CanadaAbstractDietarytransitionshaveresultedingenerallyhighermeatintakes.Intensivefeedingofanimalsisaratherinefficientwayofproducingdietaryproteinandithasalsoavarietyofundesirableenvironmentalandhealthimpacts.Partialsubstitutionofmeatproteinbyplantproteinsincorporatedingroundmeatsandprocessedmeatproductswouldhelptomoderatetheseimpacts.Keywords:Dietarytransition;Meatconsumption;Efficiencyofmeatproduction;Animalfeeding;Environmentalimpactsofintensiveanimalhusbandry;Plantproteins1.IntroductionCurrentglobalmarketforindustrialproteinsaddsuptoonlyasmallshare—mostlikelylessthan0.5%—ofmulti-facetedactivitiesthatarecommonlyincludedinthecatchallcategoryofbiotechnology[1].Thisisboundtochangeasitisclearthatproteinsderivedfromplantsorproducedbygeneticmanipulationofcropswillfindanincreasingvarietyofmedicinal,processingandmanufacturingapplicatio...
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