Oreochromis niloticus was subjected to sub-lethal Cd and Zn concentrations for 14 days in order to evaluate their accumulation in the gills, liver, and muscle. Following that, the fish were placed to uncontaminated water for 7 days to allow the metals to be removed from the tissues. The gills had the highest bio-concentration factor for Cd and Zn. The gills showed the highest Cd accumulation rate, and the muscle showed the lowest. The muscle had the highest Cd depuration rate, while the liver had the lowest. The liver exhibited the highest Zn accumulation rate, while the gills and muscle had nearly similar values. Zn depuration rates were very consistent across all tissues.

中文翻译：

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亚致死暴露后罗非鱼 (Oreochromis niloticus) 组织中镉和锌的积累和净化

尼罗罗非鱼经受亚致死 Cd 和 Zn 浓度 14 天，以评估它们在鳃、肝脏和肌肉中的积累。之后，将鱼置于未受污染的水中 7 天，以去除组织中的金属。鳃中Cd和Zn的生物富集因子最高。鳃的Cd积累率最高，肌肉最低。肌肉的Cd净化率最高，而肝脏最低。肝脏表现出最高的锌积累率，而鳃和肌肉的值几乎相似。锌净化率在所有组织中非常一致。