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Table 1 Effects of 21-day cadmium exposure on Daphnia pulex

From: Gene response profiles for Daphnia pulex exposed to the environmental stressor cadmium reveals novel crustacean metallothioneins

Cadmium (μg/l) Length (mm) Lipid-Ovary Indexa Number of Clutchesa Total neonatesa Per Capita Birth Rate (b)a
0 2.90 ± 0.11a 3.83 ± 1.50a 5.50 ± 0.55a 118.86 ± 29.94a 5.37 ± 0.89a
0.25 2.54 ± 0.10b 1.57 ± 1.13b 4.63 ± 0.52a 65.13 ± 16.60b 2.88 ± 0.66b
0.5 2.41 ± 0.12b 1.14 ± 0.69b 4.29 ± 0.76a 51.00 ± 25.66b 2.22 ± 1.12b
1 2.26 ± 0.16b, c 1.25 ± 0.96b 2.00 ± 1.00b 8.60 ± 3.85c 0.39 ± 0.18c
1.75 2.16 ± 0.12c 1.00 ± 0.93b 2.22 ± 1.09b 13.00 ± 8.04c 0.58 ± 0.34c
2.5 2.04 ± 0.14c 1.0 ± 0.83b 1.50 ± 1.05b 5.67 ± 5.32c 0.25 ± 0.23c
  1. aValues with different letters are significantly different (P < 0.05).