Table 1 Survival of embryos and alevins after hypoxic stimulus, at hatching and before first-feeding.

Embryos (152 °D)

2.5 mg·L⁻¹ O₂

99.1 ± 0.4%

96.3 ± 0.8%

76.3 ± 2.0%

5.6 ± 2.2%

5.0 mg·L⁻¹ O₂

95.4 ± 0.5%

95.5 ± 1.1%

76.7 ± 2.7%

5.6 ± 2.0%

Normoxia

99.2 ± 0.4%

94.9 ± 0.7%

75.0 ± 2.8%

4.5 ± 1.6%

Alevins (552 °D)

2.5 mg·L⁻¹ O₂

41.9 ± 7.2%^a

41.4 ± 6.8%^a

1.3 ± 1.3%^a

5.0 mg·L⁻¹ O₂

65.1 ± 7.2%^b

64.6 ± 7.0%^b

0.9 ± 0.6%^a

Normoxia

78.5 ± 3.8%^c

75.0 ± 2.8%^c

4.5 ± 1.6%^b