Environmental Impacts Associated with Intensive Production in Pig Farms in Mexico through Life Cycle Assessment

Mario Rafael Giraldi-Díaz, Eduardo Castillo-González, Lorena De Medina-Salas, Raúl Velásquez- De la Cruz and Héctor Daniel Huerta-Silva
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Mario Rafael Giraldi-Díaz: Facultad de Ciencias Químicas, Universidad Veracruzana, Circuito Gonzalo Aguirre Beltrán, Zona Universitaria, Xalapa 91040, Veracruz, Mexico
Eduardo Castillo-González: Facultad de Ingeniería Civil, Universidad Veracruzana, Circuito Gonzalo Aguirre Beltrán, Zona Universitaria, Xalapa 91040, Veracruz, Mexico
Lorena De Medina-Salas: Facultad de Ciencias Químicas, Universidad Veracruzana, Circuito Gonzalo Aguirre Beltrán, Zona Universitaria, Xalapa 91040, Veracruz, Mexico
Raúl Velásquez- De la Cruz: Facultad de Ciencias Químicas, Universidad Veracruzana, Circuito Gonzalo Aguirre Beltrán, Zona Universitaria, Xalapa 91040, Veracruz, Mexico
Héctor Daniel Huerta-Silva: Facultad de Ciencias Químicas, Universidad Veracruzana, Circuito Gonzalo Aguirre Beltrán, Zona Universitaria, Xalapa 91040, Veracruz, Mexico

Sustainability, 2021, vol. 13, issue 20, 1-20

Abstract: In this research, environmental impacts associated with the intensive production of pigs on a farm in Mexico were determined through the application of life cycle assessment methodology. The research was focused on the following stages of the product system: (i) pig rearing and growth phases; (ii) production operations in the pig-house; (iii) the supply of feed. The life cycle inventory database was mainly made up of data collected in field visits to local farms. The functional unit was defined as one finished swine weighing 124 kg. The results for the selected impact categories of carbon, water, and energy footprints were 538.62 kg CO 2 eq, 21.34 m 3 , and 1773.79 MJ, respectively. The greatest impact was generated in the final stages of pig fattening, mainly due to the large quantity of feed supplied. The impacts caused by operation of the pig farm were less significant, their contribution in all cases was less than a third of the total quantified values. The energy conversion of pig slurry improves the environmental performance of the product system by reducing the carbon footprint.

Keywords: pig production; life cycle assessment; carbon; water and energy footprint; environmental impacts (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:13:y:2021:i:20:p:11248-:d:654399

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