National Taiwan Ocean University Institutional Repository:Item 987654321/45050
English  |  正體中文  |  简体中文  |  全文笔数/总笔数 : 28588/40619
造访人次 : 4189255      在线人数 : 45
RC Version 4.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
搜寻范围 进阶搜寻


题名: Techniques in finfish larviculture in Taiwan
作者: I Chiu Liao;Huei Meei Su;Emily Y Chang
关键词: Techniques;Finfish;Larviculture;Taiwan
日期: 2001
上传时间: 2017-12-27T01:17:43Z
出版者: Aquaculture
摘要: Taiwan now has over 90 finfish species in which larviculture is possible. Billions of finfish fry can be produced annually. The use of modern and advanced techniques in larviculture has won Taiwan a leading position in the world. This achievement can be attributed to: (1) successful broodstock management, including broodstock collection and cultivation, maturation and spawning, and egg collection and incubation, (2) complete larval rearing using outdoor and indoor systems, and (3) establishment of techniques of live food preparation for larval feeding. Cannibalism, difficulties in water quality control, and disease outbreak often cause mass mortality in the rearing larvae. However, the obstacles that hinder the development of larvae at their later stages are being overcome. Through a systematic understanding of the complex behavioral patterns of finfish larvae, cannibalism can somewhat be controlled under larviculture conditions. Control strategies often involve physical manipulations such as grading and feeding adjustments. For water quality and disease control, an indoor larval rearing system has recently been established. It adopts ozone or chlorine to disinfect fertilized eggs, the rearing water, and facilities. Additionally, utilization of the green water technique in rearing larvae and of ozone-disinfected recirculating water in weaning larvae has improved the hygiene of the systems. For instance, the average survival rate in the fry of grouper used to be less than 0.1% until they attained a size of about 2 cm. With the improved system, grouper fry grow from 3 to 10 cm with almost no mortality or viral infection, with a feed conversion rate of 0.7–0.9 and a daily weight increase rate of 4–27%. Application of live food enrichment techniques with selected nutrients for short and long terms has proven beneficial to larval growth. Studies determining the optimal environmental requirements of larvae have been essential towards successful larviculture. This paper mainly discusses developments and advanced techniques of finfish larviculture in Taiwan.
關聯: 200, pp.1-31
显示于类别:[廖一久院士專區] 期刊論文


档案 描述 大小格式浏览次数



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