Environmental impact of beef production in Mexico through life cycle assessment
作者： Adriana Rivera Huerta , Leonor Patricia Güereca , María de la Salud Rubio Lozano
DOI: 10.1016/J.RESCONREC.2016.01.020
关键词: Production (economics) 、 Life-cycle assessment 、 Engineering 、 Fossil fuel 、 Greenhouse gas 、 Livestock 、 Agricultural science 、 Environmental protection 、 Environmental impact assessment 、 Enteric fermentation 、 Climate change
摘要: Abstract Intensive and extensive systems of beef production in the Mexican tropics were analyzed. The aim study was to estimate compare environmental impact two typical Veracruz, Mexico. A system boundary established from farm prior transport for consumer consumption, including intermediate stages product processing, marketing transportation. functional unit 1 kg boneless fatless beef. life cycle inventory built using information case studies; farmers, slaughterhouses retail point managers who provided records expert knowledge interviewed. included cow-calf processes, pre-fattening, fattening, processing retail. Several categories analyzed SimaPro software ReCiPe Midpoint method characterization. results showed that system, stage is major contributor eleven twelve analyzed, while intensive it main climate change, terrestrial acidification, freshwater marine eutrophication. fattening has a predominant on human toxicity, water depletion, ecotoxicity, fossil photo-oxidants formation, ecotoxicity ecotoxicity; relevant contributions fuel depletion formation photochemical oxidants systems. Finally, did not have any category. indicated better performance than nine studied categories. According last, important improve reproductive calf breeding herds mitigate emissions chain as well livestock food quality mitigation GHG due enteric fermentation.
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