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首页> 外文期刊>Journal of Aquatic Sciences >LOCAL TEXTILE INDUSTRY WASTEWATER EFFECT ON FRESHWATER FISH SPECIES
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LOCAL TEXTILE INDUSTRY WASTEWATER EFFECT ON FRESHWATER FISH SPECIES

机译：当地纺织工业废水对淡水鱼类的影响

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摘要

The effect of local tie-dye textile industry wastewater on two selected fish species (Clarias gariepinus and Oreochromis niloticus) of economic importance was investigated using static renewal bioassay method to determine the acute and sub-lethal effects on the test fish species. The physico-chemical parameters of the tie-dye wastewater used for the different bioassays were found to be significantly different (p < 0.05). The C. gariepinus and O. niloticus adults were found to have 96 h-LCso values of17.58 and 4.66 % respectively while the 96 h-LCsoof the fingerlings of C. gariepinus and 0. niloticus had 1.70 % and 1.85 % respectively. Sub-lethal exposure of the adult fish to the tie-dye wastewater revealed that the following haematological parameters; packed cell volume (PCV), haemoglobin (Hb), red blood cell count (RBC), glucose and total protein were significantly (p < 0.05) affected. This study has revealed that untreated wastewater discharged into the aquatic ecosystem has the potential to adversely affect the physical and chemical parameters of the water bodies which can be harmful to aquatic biota especially at the point of discharge. Thus, there is a need to treat the tie-dye wastewater before being released into the aquatic ecosystem.
机译：使用静态更新生物测定方法研究了当地扎染纺织工业废水对两种具有经济重要性的鱼类（Clarias gariepinus和Oreochromis niloticus）的影响，以确定对受试鱼类的急性和亚致死作用。发现用于不同生物测定的扎染废水的理化参数差异显着（p <0.05）。 gar.pinie和C. gariepinus成虫的96 h-LCso值分别为17.58和4.66％，而gar.pinie和C. gariepinus和0. niloticus的96 h-LCso值分别为1.70％和1.85％。成鱼鱼在扎染废水中的亚致死暴露表明以下血液学参数;压缩细胞体积（PCV），血红蛋白（Hb），红细胞计数（RBC），葡萄糖和总蛋白均受到显着影响（p <0.05）。这项研究表明，未经处理的废水排放到水生生态系统中可能会对水体的物理和化学参数产生不利影响，这可能对水生生物造成危害，尤其是在排放点。因此，需要在将扎染废水排放到水生生态系统之前对其进行处理。

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