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Journal of Integrative Agriculture  2021, Vol. 20 Issue (1): 319-329    DOI: 10.1016/S2095-3119(20)63425-6
Special Issue: 农业经济与管理合辑Agricultural Economics and Management
Agricultural Economics and Management Advanced Online Publication | Current Issue | Archive | Adv Search |
Driving factors of direct greenhouse gas emissions from China’s pig industry from 1976 to 2016
DAI Xiao-wen1, 2, Zhanli SUN2, Daniel MÜLLER2, 3, 4 
1 Sichuan Center for Rural Development Research, Sichuan Agricultural University, Chengdu 611130, P.R.China
2 Leibniz Institute of Agricultural Development in Transition Economies (IAMO), Halle (Saale) 06120, Germany
3 Geography Department, Humboldt-Universität zu Berlin, Berlin 10099, Germany
4 Integrative Research Institute on Transformations of Human-Environment Systems (IRI THESys), Humboldt-Universität zu Berlin, Berlin 10099, Germany
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Livestock cultivation is a significant source of greenhouse gas (GHG) emissions, accounting for 14.5% of the total anthropogenic emissions.  China is responsible for a considerable share of the global livestock emissions, particularly caused by pork production.  We used the Kaya identity and the logarithmic mean Divisia index (LMDI) to decompose the national annual GHG emissions from enteric fermentation and manure management in pig farming in China from 1976 to 2016.  We decomposed the sources of the emissions into five driving factors: (1) technological progress (e.g., feed improvement); (2) structural adjustment in the livestock sector; (3) structural adjustment in agriculture; (4) affluence; and (5) population growth.  The results showed that the net GHG emissions from the pig sector in China increased 16 million tons (Mt) of carbon dioxide equivalents (CO2eq) during the study period.  The decomposition analysis revealed that structural adjustment in agriculture, growing affluence, and population growth contributed to an increase of the GHG emissions of pork production by 23, 41, and 13 Mt CO2eq, respectively.  The technological progress and structural changes in animal husbandry mitigated emissions by –51 and –11 Mt CO2eq, respectively.  Further technological progress in pig production and optimizing the economic structures are critical for further reducing GHG emissions in China’s pig industry.  Our results highlight the dominant role of technological changes for emission reductions in the pig farming.
Keywords:  livestock production        carbon emissions        manure management        pig farming        LMDI decomposition  
Received: 01 June 2020   Accepted:
Fund: This research is financially supported by the National Social Science Fund of China (16CJL035) and the China Scholarship Council Program for Visiting Scholars.
Corresponding Authors:  Correspondence Zhanli SUN, Tel/Fax: +49-345-2928331, E-mail:; DAI Xiao-wen, E-mail:   

Cite this article: 

DAI Xiao-wen, Zhanli SUN, Daniel MÜLLER. 2021. Driving factors of direct greenhouse gas emissions from China’s pig industry from 1976 to 2016. Journal of Integrative Agriculture, 20(1): 319-329.

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