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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/26697

Title: Ecological and economic analysis for cobia Rachycentron canadum commercial cage culture in Taiwan
Authors: Sha Miao;Chen Cheun Jen;Cheng Ting Huang;Sing-Hwa Hu
Contributors: NTOU:Department of Aquaculture
國立臺灣海洋大學:水產養殖學系
Keywords: Cobia;Cage culture;Profitability;Economies of scale;Limiting factor
Date: 2009-04-01
Issue Date: 2011-10-21T02:18:20Z
Publisher: Aquaculture International
Abstract: Abstract:The structure of cost and return for cobia cage culture in Taiwan was studied by considering two major factors, geographical location and production scale. Although the geographical location had little influence on the input intensities, the production scale would have a significant impact on the cost structure. However, the performances of profitability were significantly affected by not only the individual main effects but also their interaction. As a result, the studied effects on the cost and return were quantitatively estimated by a series of statistical models, in turn quantitatively measured by a set of indices. A short-term strategy of the management suggested that the best choice regarding profitability is to locate the farming system with a large-scale operation in the coastal waters of Pindong. Additionally, the profitability could be further increased by selecting better quality fingerlings and feeds based on a set of the computed indices. A long-term strategy of the management strongly recommends that to increase the system size in cobia production would be much more profitable due to the positive economies of scale. Finally, a future study shall be interested in whether current speed has a limiting effect on the profitability.
Relation: 17(2), pp.125-141
URI: http://ntour.ntou.edu.tw/handle/987654321/26697
Appears in Collections:[水產養殖學系] 期刊論文

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