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| Patterns and cost-benefit analysis of manure disposal of scale pig production in China |
| CHEN Fei-fei, ZHANG Chong-shang, WANG Yi-nuo, QIU Huan-guang |
| School of Agricultural Economics and Rural Development, Renmin University of China, Beijing 100872, China |
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Abstract Based on the study of typical cases in Henan Province, the author analyzed main patterns of manure disposal used by pig farmers of different scales, estimated the pollution coefficients of pig farmers with different scales, and made a comparative analysis of the costs and benefits of different manure disposal patterns adopted by pig producers. It has been found that:1) the manure disposal patterns of various famers differed from each other greatly. Further analysis showed that the costs and benefits of different disposal patterns and the force of supervision on manure discharge were key factors that affected the manure disposal patterns adopted by pig farmers; 2) there were some other factors that discouraged pig farmers in reducing the pollution caused by pig manure, such as the financial pressure brought by the investment in manure disposal facilities, limited arable land that could be used for manure disposal, low economic efficiency from the cyclic utilization of manure disposal, and poor supervision of the organic fertilizer market. Based on what have been mentioned above, the author made some suggestions on how to promote the recycling use of manure and how to reduce the pollution from livestock production in this paper.
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Received: 08 March 2017
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