Environmental impact of beef production in Mexico through life cycle assessment

Adriana Rivera Huerta, Leonor Patricia Güereca and María de la Salud Rubio Lozano

Resources, Conservation & Recycling, 2016, vol. 109, issue C, 44-53

Abstract: Intensive and extensive systems of beef production in the Mexican tropics were analyzed. The aim of the study was to estimate and compare the environmental impact of two typical beef production systems in Veracruz, Mexico. A system boundary was established from farm production to prior to transport for consumer consumption, including intermediate stages of product processing, marketing and transportation. The functional unit was 1kg of boneless and fatless beef. The life cycle inventory was built using information from case studies; farmers, slaughterhouses and retail point managers who provided information from records and expert knowledge were interviewed. The study included cow-calf processes, pre-fattening, fattening, processing and retail. Several impact categories were analyzed using SimaPro software and the ReCiPe Midpoint method for impact characterization. The results showed that for the extensive system, the cow-calf stage is the major contributor in eleven of the twelve impact categories analyzed, while in the intensive system, it is the main contributor to the climate change, terrestrial acidification, freshwater and marine eutrophication. The fattening stage of intensive system, has a predominant impact on human toxicity, water depletion, terrestrial ecotoxicity, fossil depletion, photo-oxidants formation, freshwater ecotoxicity and marine ecotoxicity; the processing stage has relevant contributions to fossil fuel depletion and the formation of photochemical oxidants in intensive systems. Finally, the marketing stage did not have a predominant impact on any category. The results indicated that the extensive system has better environmental performance than the intensive system for nine of the twelve studied categories. According last, it is important to improve the reproductive performance in calf breeding herds to mitigate emissions in the beef production chain as well as to improve livestock food quality in the extensive system for the mitigation of GHG emissions due to enteric fermentation.

Keywords: Life cycle assessment of Mexican beef; Extensive and intensive beef production; Mexican beef supply chain; Environmental impact assessment of beef production; Beef production in the Mexican tropic (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:recore:v:109:y:2016:i:c:p:44-53

DOI: 10.1016/j.resconrec.2016.01.020

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