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首页> 外文会议>Annual Meeting of the European Aquaculture Society >COMPARATIVE STUDY ON PERFORMANCE AND WELFARE OF ATLANTIC SALMON SMOLT REARED IN RECIRCULATING AND FLOW THROUGH AQUACULTURE SYSTEMS
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COMPARATIVE STUDY ON PERFORMANCE AND WELFARE OF ATLANTIC SALMON SMOLT REARED IN RECIRCULATING AND FLOW THROUGH AQUACULTURE SYSTEMS

机译：通过水产养殖系统再循环和流动饲养大型鲑鱼的性能与福利的比较研究

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摘要

There is an increased interest in water reuse systems for fish production worldwide. A more stable and controlled environmental conditions, reduction in use of new water and a putative better disease management, and enhanced biosecurity, are some of the reasons that appeal both to the industry and the general public. In addition, experience from several commercial farms in Norway suggest that smolt produced in RAS show better production performances in terms of growth and/or survival in sea cages than smolt from flow through (FT) systems (Ulgenes et al. 2008). However, there is a need to verify these observations in controlled experiments. The aim of this study was to test the hypothesis that Atlantic salmon smolt produced in RAS has better growth,survival rates and welfare compared to smolt produced in FT system at the same temperature, same levels of dissolved oxygen and same hydraulic retention time (HRT) and water speeds within the rearing tanks.
机译：全球鱼类生产的水再利用系统兴趣增加。一种更稳定和控制的环境条件，降低新水的使用以及推定的更好的疾病管理，以及增强的生物安全，是对行业和公众呼吁的原因。此外，来自挪威的几个商业农场的经验表明，RAS中产生的Sholt在海笼中的生长和/或生存方面的生产表现比流过（FT）系统（Ulgenes等，2008）。但是，需要验证受控实验中的这些观察结果。该研究的目的是测试RAS中产生的大西洋鲑鱼的假设具有更好的生长，生存率和福利，与在同一温度相同的溶解氧和相同水力保留时间（HRT）中的FT系统中产生的SPOLT和饲养坦克内的水速度。

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