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畜禽废弃物处理对规模养殖环境效率的影响——基于蛋鸡粪便处理的视角

朱宁1 秦富1

(1.中国农业科学院农业经济与发展研究所, 北京海淀 100081)

【摘要】以蛋鸡为例,利用我国5个鸡蛋主产省份蛋鸡规模养殖户的调研数据,从蛋鸡粪便处理的角度采用Super-SBM模型和分位数回归相结合的方法实证分析了蛋鸡规模养殖环境效率及其影响因素.结果表明:蛋鸡规模养殖环境效率低于技术效率,且环境效率存在区域差异;养殖过程中仍然存在投入冗余和期望产出不足、非期望产出过剩的现象;机械化、高频率清粪有利于蛋鸡规模养殖环境效率保持在较高水平,而粪便利用方式对蛋鸡养殖环境效率并没有持续的显著影响;我国所推行的规模化、标准化养殖有利于提升蛋鸡养殖环境效率.

【关键词】 畜禽;环境效率;Super-SBM模型;分位数回归;

【DOI】

【基金资助】 ;

Influence of livestock and poultry's waste disposal on the environmental efficiency in scale breeding: from the perspective of layers' fecal disposal

ZHU Ning1 QIN Fu1

(1.Institute of Agricultural Economics and Development, Chinese Academy of Agricultural Sciences, Beijing, China 100081)

【Abstract】Taking layer industry as an example, survey data from scale breeding farmers of layer in China′s five major egg production provinces was used, from the perspective of layers′ fecal disposal, with both methods of Super-SBM model and quintile regression, empirical analysis was done on the environmental efficiency in layers′ scale breeding and its influence factors. The results show that: the environmental efficiency of layers′ scale breeding was lower than its technical efficiency. Moreover, the environmental efficiencies vary in different regions. There are phenomena of input redundancy and insufficient desirable output as well as excessive undesirable output during breeding process. Mechanization and high-frequency in fecal cleaning are in favor of maintaining a high level of the environmental efficiency in layers′ scale breeding, while the usage of fecal does not have continuous significant influence. The promotion of scale and standardized breeding in China is good for improving the environmental efficiency in layers′ scale breeding.

【Keywords】 livestock and poultry; environmental efficiency; Super-SBM model; Quintile regression;

【DOI】

【Funds】 ;

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This Article

ISSN:1000-6923

CN: 11-2201/X

Vol 35, No. 06, Pages 1901-1910

June 2015

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Article Outline

Abstract

  • 1 Research methods
  • 2 Data source and variable selection
  • 3 Model estimation
  • 4 Suggestions
  • 5 Conclusions
  • References