National Taiwan Ocean University Institutional Repository:Item 987654321/44737
English  |  正體中文  |  简体中文  |  全文笔数/总笔数 : 26988/38789
造访人次 : 2348915      在线人数 : 35
RC Version 4.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
搜寻范围 进阶搜寻

jsp.display-item.identifier=請使用永久網址來引用或連結此文件: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44737

题名: Development of an outdoor super-intensive recirculation eel culture system.
作者: Shyu, C.Z.;Liao, I C
日期: 2001
上传时间: 2017-11-29T01:15:07Z
出版者: Journal of Taiwan Fisheries Research
摘要: A Danish type indoor super-intensive recirculation system was built outdoors and modified in order to significantly reduce the cost of the system, especially the cost of the greenhouse . A sun net sheltered the whole system. Submerged biofilter, trickling biofilter, and drumfilter were installed the same as in the indoor system . However, modified paddlewheel aerators replaced the oxygenation equipment. Illumination, chiller and UV sterilization equipment were removed. A rearing experiment of the European eel Anguilla anguilla was carried out from Jan. 6 to Oct. 6, 1999. In the system, 430 .71 kg and 864.49 kg of eels of average weight 128 g per eel was stocked in two 5 m xS m xl .8 m ponds, respectively.
At harvest on October 6, 1999, a total of 2,899.23 kg was recovered. The total weight increment was 1,604.03 kg, which is 13 times more than the production of a conventional outdoor system in the same area. The water usage was 1.34 metric ton per kg of eel produced, higher than the indoor system (0.7 metric tons/kg), but far less than the conventional outdoor eel ponds (20-30 metric tons/kg) . Daily recording of water temperature, air temperature , DO, pH, transparency, death rate and feeding rate was carried out. A computer based water quality monitoring system was used to record continuously water and air temperature, and DO. It was found that the environment was no less stable than the indoor system. With similar biofilter capacity, the NH4 · level was kept at very low level.
The performance of the system in terms of eel production was as good as the indoor system,
while the capital cost of the outdoor system is about two-thirds that of the indoor system.
關聯: 9(1&2), pp.209-220
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44737
显示于类别:[廖一久院士專區] 期刊論文

文件中的档案:

没有与此文件相关的档案.



在NTOUR中所有的数据项都受到原著作权保护.

 


著作權政策宣告: 本網站之內容為國立臺灣海洋大學所收錄之機構典藏,無償提供學術研究與公眾教育等公益性使用,請合理使用本網站之內容,以尊重著作權人之權益。
網站維護: 海大圖資處 圖書系統組
DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - 回馈