Environmental Impacts of the Brazilian Egg Industry: Life Cycle Assessment of the Battery Cage Production System
2024
Fabiane de Fátima Maciel | Richard Stephen Gates | Ilda de Fátima Ferreira Tinôco | Nathan Pelletier | Maro A. Ibarburu-Blanc | Natalia dos Santos Renato | Fernanda Campos de Sousa | Rafaella Resende Andrade | Guilherme Moreira de Melo Silva | Valentina Becciolini
Brazil stands as one of the world&rsquo:s leading producers of animal protein, ranking sixth in global egg production. However, estimated growth in production demand, along with environmental impacts, represents a potential threat to the sustainability of the food system. Methods for assessing and quantifying the environmental impacts generated by Brazilian egg production remain scarce, lacking current reports on comparative effects or guiding standards. The objective of this study was to conduct a life cycle assessment from cradle to farm gate, adhering to ISO 14040 and 14044 standards, for the battery cage egg production systems and associated products in Brazil, with the aim of supporting and promoting sustainability improvements in the Brazilian egg industry. The entire life cycle modeling and process sustainability analysis were executed using the openLCA software, integrated with the Ecoinvent database. Emissions related to egg production yielded results of 65.06 kg SO2 eq., 27.74 kg N eq., 3086.71 kg CO2 eq., 75,152.66 CTUe, 2.75 ×: 10&minus:5 CFC-11 eq., and 10,044.68 kg MJ eq. per ton of eggs produced. These findings can serve as comparative benchmarks for future studies and for analyzing data across different egg production systems in Brazil.
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