Optimization of China's pig production system to reduce environmental impacts based on a data envelopment and life cycle analysis model
Optimization of China's pig production system to reduce environmental impacts based on a data envelopment and life cycle analysis model
复制标题
基于数据包络和生命周期分析模型优化中国生猪生产体系以减少环境影响
DOI:
10.1016/j.resconrec.2022.106483
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Liu, Mingda
中科院分区:
文献类型:
--
作者:
Sun, Ruoyu;Liu, Xianjun;Li, Dabing;Zhuang, Jie;Qi, Shengrui;Meng, Bo;Liu, Mingda
Pig production system has significant impacts on global climate and environment; the greenhouse gas (GHG) annual emission from China's pig production system accounts for more than 4% of which from world's animal husbandry. This study applied DEA and LCA methods with statistics of China's pig production, compared the environmental impact in each stage before and after optimization, aimed to calculate the resource input and energy consumption in pig production system, and realize lower investment and higher efficiency. The results showed that the optimized method could reduce 55.69 MJ energy consumption from each pig; the environmental impact potential of global warming, environmental acidification and eutrophication decreased by 1.56%, 0.6% and 0. 072%. Considering the Chinese pig breeding market in 2018 as an example, with a total of 693.824 million pigs sold, the optimized GHG emission reduction would be equivalent to the GHG emitted by producing 1.92812 × 105vehicles.
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DOI:
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发表时间:
2019
期刊:
Kansas Agricultural Experiment Station Research Reports
影响因子:
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2018
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DOI:
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发表时间:
2012
期刊:
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