猪养殖扩大规模是否能促进猪养殖者实现碳中立?
1College of Economics & Management, Zhejiang University of Water Resources and Electric Power, Hangzhou, 310018, China. rantom_821024@163.com.
Applied biochemistry and biotechnology
|August 1, 2024
概括
由于规模经济,大规模养猪促进碳中和技术,但最佳影响发生在每年3000-4999头猪. 生物气项目受到种植周期和补贴的负面影响.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 气候变化研究 气候变化研究
背景情况:
- 养猪业对中国的碳排放有重大贡献,需要碳中和技术来实现国家气候目标.
- 农业部门目前缺乏正式的碳减排系统,因此农民自发采用碳中和做法至关重要.
- 了解养猪场中碳中和行为的驱动因素对于制定有效的减缓气候变化战略至关重要.
研究的目的:
- 实证分析大型养猪业对农民采用碳中和技术的影响.
- 调查规模经济在促进猪养殖行业中碳中和行为的作用.
- 确定影响堆肥和生物气工程项目的应用和范围的因素,与农场规模相关.
主要方法:
- 利用了来自中国山东省468家养猪场的现场调查数据.
- 采用经验分析来评估养猪规模与碳中和行为的关系.
- 研究了种植周期,育种周期和对技术采用的补贴的缓和效应.
主要成果:
- 大规模养猪对采用碳中和技术产生积极影响,规模经济起着关键作用.
- 规模经济对采用碳中和技术的积极影响是有限的,这种影响的最佳农场规模为每年3000-4999头猪.
- 种植和繁殖周期并没有缓解农场规模对堆肥项目的影响. 生物气工程的采用受到种植/育种周期和补贴的负面影响.
结论:
- 规模经济激励猪养殖中采用碳中和技术,但最佳规模至关重要.
- 农业碳中和政策干预措施必须考虑特定的背景和某些因素 (如补贴) 对技术采用的潜在负面影响.
- 该研究提供了对农业碳排放减少的内生机制的见解,与工业部门相比,提供了一个独特的视角.
更多相关视频
07:02Providing Meaningful Environmental Enrichment and Measuring Saliva Cortisol in Pigs Housed on Slatted Flooring
Published on: September 30, 2019
7.1K
07:59Transition of Farm Pigs to Research Pigs using a Designated Checklist followed by Initiation of Clicker Training - a Refinement Initiative
Published on: August 21, 2021
5.4K
相关概念视频
Microbes and Climate Change
103
Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
103
Scale-Up Processes
119
The scale-up of microbial fermentation processes is essential in industrial biotechnology, allowing the transition from laboratory-scale experiments to commercial-scale production while aiming to maintain product yield and quality. This process requires meticulous adjustment of equipment design, process parameters, and contamination control strategies to accommodate increasing culture volumes.At the laboratory scale, cultures are typically maintained in 1 to 10-liter glass or autoclavable...
119
