Greenhouse Gas Emissions from Beef Cattle Breeding Based on the Ecological Cycle Model

Hongpeng Guo, Zixu Su, Xiao Yang, Shuang Xu and Hong Pan
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Hongpeng Guo: College of Biological and Agricultural Engineering, Jilin University, 5988 Renmin Street, Changchun 130022, China
Zixu Su: College of Biological and Agricultural Engineering, Jilin University, 5988 Renmin Street, Changchun 130022, China
Xiao Yang: College of Biological and Agricultural Engineering, Jilin University, 5988 Renmin Street, Changchun 130022, China
Shuang Xu: College of Biological and Agricultural Engineering, Jilin University, 5988 Renmin Street, Changchun 130022, China
Hong Pan: College of Biological and Agricultural Engineering, Jilin University, 5988 Renmin Street, Changchun 130022, China

IJERPH, 2022, vol. 19, issue 15, 1-15

Abstract: Over the past few decades, the supply of beef has increasingly become available with the great improvement of the quality of life, especially in developing countries. However, along with the demand for meat products of high quality and the transformation of dietary structure, the impact of massive agricultural greenhouse gas emissions on the environmental load cannot be ignored. Therefore, the objective of this study is to predict the annual greenhouse gas emissions of 10 million heads of beef cattle under both the ecological cycle model (EC model) and the non-ecological cycle model (non-EC model), respectively, in order to compare the differences between these two production models in each process, and thus explore which one is more sustainable and environmentally friendly. To this end, through the life cycle assessment (LCA), this paper performs relevant calculations according to the methodology of 2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories (2019 IPCC Inventories). The results have shown that the total GHG emissions of the non-EC model were almost 4 times higher than those of the EC model, and feed-grain cultivation and manure management were main emission sources in both models. The non-EC model produced significantly more emissions than the EC model in each kind of GHG, especially the largest gap between these two was in CO 2 emissions that accounted for 68.01% and 56.17% of the respective planting and breeding systems. This study demonstrates that the transformation of a beef cattle breeding model has a significant direct impact on cutting agricultural GHG emissions, and persuades other countries in the similar situation to vigorously advocate ecological cycling breeding model instead of the traditional ones so that promotes coordinated development between planting industry and beef cattle breeding industry.

Keywords: life cycle assessment; ecological cycle; beef cattle breeding; greenhouse gas emissions (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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