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首页> 外文期刊>Environmental toxicology and chemistry >PROTECTIVE EFFECTS OF CALCIUM AGAINST CHRONIC WATERBORNE CADMIUM EXPOSURE TO JUVENILE RAINBOW TROUT
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PROTECTIVE EFFECTS OF CALCIUM AGAINST CHRONIC WATERBORNE CADMIUM EXPOSURE TO JUVENILE RAINBOW TROUT

机译:钙对慢性水生镉曝露对少年虹鳟鱼的防护作用

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摘要

Juvenile rainbow trout(Oncorhynchus mykiss[Walbaum]on 1/100 daily ration were exposed to O(control)or 2 μg of cadmium as Cd(NO_3)_2.1H_2O per liter added to four different calcium(Ca)concentrations: 260(background), 470(low), 770 (medium), or 1200(high)μM of Ca added as Ca(NO_3)_2.4H_2O in synthetic soft water for 30 d. Mortality was highest(~80/100)in The background + Cd treatment. Approximately 40/100 mortality was observed in the low + Cd exposure; mortality was 10/100 or Less for all other treatments. No growth effects were seen for any of the exposures.
机译:每天以1/100日粮的幼体虹鳟(Wonbahynchus mykiss [Walbaum])以每升Cd(NO_3)_2.1H_2O的O(对照)或2μg镉暴露于四种不同的钙(Ca)浓度:260(背景) ),Ca(NO_3)_2.4H_2O在合成软水中添加470(低),770(中)或1200(高)μM的Ca作为Ca(NO_3)_2.4H_2O,在30天内死亡率最高(〜80/100) Cd处理:在低+ Cd暴露下可观察到约40/100死亡率;所有其他治疗的死亡率为10/100或更低,任何暴露均未见生长效应。

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