中国农业科学2024，Vol.57Issue(2)：379-389,11.DOI:10.3864/j.issn.0578-1752.2024.02.012
生猪养殖系统碳足迹评估研究进展
Review on Carbon Footprint Assessment of Pig Farming System
摘要
Abstract
[Objective]Livestock production is one of the important emission sources of greenhouse gases,while China is a major country in pig farming.Scientifically assessing the carbon footprint of pig farming system can provide a reference for further promoting carbon emission reduction of animal husbandry.[Method]This paper reviewed the research status of carbon footprint assessment of pig breeding system,including model,results and composition.The results of carbon footprint assessment were related to many factors,such as system boundary,emission sources,accounting methods and functional unit.In this study,we considered the main factors which affect the evaluation results,and analyzed the reasons for the difference of results.[Result]Through reviewing the domestic and foreign literature on carbon footprint assessment,it was realized that the assessment model of livestock had been constructed well in developed country.The carbon footprint of 1 kg functional unit product was 2.2-10.3 kg CO2-eq.The assessment results varied due to the different evaluation methods in various studies.Different system boundaries and functional units were the important reasons for different results.The different emission sources,accounting parameters selected for the same emission source,or diverse allocation methods under the same system boundary also led to great differences.For the contribution to the carbon footprint of the pig production system,feed production was the largest link,accounting for 49%-83%;the second was manure management,accounting for 12%-41%.[Conclusion]In order to widely precise the carbon footprint of China's pig production system,the suggestions were as follows:monitoring the key parameters of greenhouse gas emissions for various feeding modes in all regions of China should be carried out;the Chinese carbon footprint assessment database according to the development status of Chinese pig breeding systems should be established;the unified and standardized evaluation methods should be appeared publicly;an carbon footprint assessment model fit for different regions of Chinese production practice should be created to provide data reference support for the sustainable development of Chinese pig production system.关键词
碳足迹/生猪/评估方法/系统/低碳/温室气体/全生命周期Key words
carbon footprint/pig/assessment method/system/low carbon/greenhouse gas/life cycle assessment引用本文复制引用
周元清,董红敏,朱志平,王悦,李南西..生猪养殖系统碳足迹评估研究进展[J].中国农业科学,2024,57(2):379-389,11.基金项目
全国畜牧总站青年课题研究(2022-1) （2022-1）
