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首页> 外文期刊>International Journal of Geosciences >Microcystin Accumulation in Nile Tilapia, Oreochromis niloticus and Giant Freshwater Prawns, Macrobrachium rosenbergii in Green Water System Cultivation
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Microcystin Accumulation in Nile Tilapia, Oreochromis niloticus and Giant Freshwater Prawns, Macrobrachium rosenbergii in Green Water System Cultivation

机译：尼罗罗非鱼，尼罗罗非鱼和大型淡水虾，罗氏沼虾在绿水系统培养中的微囊藻素积累

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摘要

Phytoplankton including blue-green algal or cyanobacterial blooms frequently occurred in aquaculture ponds. Some cyanobacteria produced cyanotoxins that may accumulate in the food web and eventually in the aquaculture products. In this study, accumulatation of microcystins in Nile tilapia (Oreochromis niloticus) and giant freshwater prawn (Macrobrachium rosenbergii) cultured in green water system was investigated.Nile tilapia was cultured in green water system and fish food; green water system with Microcystis aeruginosa Kützingand fish food and green water system with M. aeruginosa. Giant freshwater prawn was cultured: in green water systems with and without toxic M. aeruginosa. Microcystins of 8.32±0.76 and9.35±1.45μg·kg—1 d.w. were detected in fish cultured in green water system with M. aeruginosa and fish food and in green water system with M. aeruginosa, respectively. Microcystins of 14.42±1.63 μg·kg—1 was found in prawn samples. It implied that aquaculture products were likely to be contaminated with microcystins. This finding is useful for aquaculture in terms of food safety.
机译：在水产养殖池塘中经常发生浮游植物，包括蓝绿色藻类或蓝藻水华。一些蓝细菌产生的氰毒素可能积累在食物网中，并最终积累在水产养殖产品中。本研究研究了在绿水系统中养殖的尼罗罗非鱼（Oreochromis niloticus）和淡水对虾（Macrobrachium rosenbergii）中微囊藻毒素的积累。绿水系统和铜绿微囊藻的鱼类食品，绿水系统和绿脓杆菌。在有或没有有毒铜绿假单胞菌的绿水系统中培养巨型淡水虾。微囊藻毒素为8.32±0.76和9.35±1.45μg·kg-1d.w。分别在绿水系统和铜绿假单胞菌和鱼食以及绿水系统中与铜绿假单胞菌养殖的鱼中检测到。对虾样品中发现的微囊藻毒素为14.42±1.63μg·kg-1。这暗示水产养殖产品可能被微囊藻毒素污染。就食品安全而言，这一发现对水产养殖很有用。

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