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核心技术专利：CN118964589B侵权必究

核心技术专利：CN118964589B侵权必究

Bodar C W, van der Sluis I, Voogt P A, Zandee D I

Research Group for Aquatic Toxicology, State University of Utrecht, The Netherlands.

Comp Biochem Physiol C Comp Pharmacol Toxicol. 1988;90(2):341-6. doi: 10.1016/0742-8413(88)90008-4.

The effects of cadmium on consumption, assimilation rates and biochemical parameters of Daphnia magna were determined. 2. The consumption and assimilation rates of 14 days 1.0 ppb Cd treated animals tended to decrease slightly, the decline of these rates at 5.0 ppb Cd (14 days), however, was highly significant (P less than 0.001). 3. The assimilation efficiencies of daphnids exposed to cadmium did not significantly differ from control. 4. No notable changes in the biochemical composition of daphnids could be noticed after 7, 14 and 21 days of cadmium exposure. 5. It seems as if not one metabolic process in particular was depressed due to cadmium, but metabolic activities seemed to be inhibited on the whole. 6. Results are discussed in relation with data of a previous study on the reproduction of D. magna under cadmium stress.

测定了镉对大型溞摄食率、同化率及生化参数的影响。2. 经14天1.0 ppb镉处理的动物，其摄食率和同化率有轻微下降趋势，然而，经5.0 ppb镉（14天）处理后，这些速率的下降极为显著（P小于0.001）。3. 暴露于镉的大型溞的同化效率与对照组无显著差异。4. 镉暴露7天、14天和21天后，大型溞的生化组成未发现明显变化。5. 似乎并非特定的一个代谢过程因镉而受到抑制，而是整体代谢活动似乎受到了抑制。6. 结合先前一项关于镉胁迫下大型溞繁殖的数据对结果进行了讨论。

Bodar C W, van der Sluis I, Voogt P A, Zandee D I

Research Group for Aquatic Toxicology, State University of Utrecht, The Netherlands.

Comp Biochem Physiol C Comp Pharmacol Toxicol. 1988;90(2):341-6. doi: 10.1016/0742-8413(88)90008-4.

The effects of cadmium on consumption, assimilation rates and biochemical parameters of Daphnia magna were determined. 2. The consumption and assimilation rates of 14 days 1.0 ppb Cd treated animals tended to decrease slightly, the decline of these rates at 5.0 ppb Cd (14 days), however, was highly significant (P less than 0.001). 3. The assimilation efficiencies of daphnids exposed to cadmium did not significantly differ from control. 4. No notable changes in the biochemical composition of daphnids could be noticed after 7, 14 and 21 days of cadmium exposure. 5. It seems as if not one metabolic process in particular was depressed due to cadmium, but metabolic activities seemed to be inhibited on the whole. 6. Results are discussed in relation with data of a previous study on the reproduction of D. magna under cadmium stress.

测定了镉对大型溞摄食率、同化率及生化参数的影响。2. 经14天1.0 ppb镉处理的动物，其摄食率和同化率有轻微下降趋势，然而，经5.0 ppb镉（14天）处理后，这些速率的下降极为显著（P小于0.001）。3. 暴露于镉的大型溞的同化效率与对照组无显著差异。4. 镉暴露7天、14天和21天后，大型溞的生化组成未发现明显变化。5. 似乎并非特定的一个代谢过程因镉而受到抑制，而是整体代谢活动似乎受到了抑制。6. 结合先前一项关于镉胁迫下大型溞繁殖的数据对结果进行了讨论。