Table 1. Summary of growth and sex ratio data.
Summary of Mean (SE) of growth and sex ratio data measured in 80 dps largemouth bass juveniles that were successfully identified as either female or male.
Treatment | Survival (%) | n | Length (mm) | Weight (g) | Sex ratio | |||
---|---|---|---|---|---|---|---|---|
Female | Male | Female | Male | Female | Male | % Female | ||
Control | 58.4 (2.6) | 57 | 52 | 54.2 (1.0) | 54.1 (1.4) | 1.70 (0.16) | 1.62 (0.15) | 52.5 (5.3) |
1 ng/L EE2 | 55.6 (2.2) | 42 | 61 | 60.3 (0.4)* | 58.3 (1.4) | 2.37 (0.15)* | 1.95 (0.11) | 40.3 (6.4) |
10 ng/L EE2 | 52.9 (1.4) | 94 | 1 | 59.5 (2.3)* | 64.0 | 1.98 (0.22) | 1.93 | 99.0 (1.0)**,†† |
1 µg/L ATR | 54.0 (2.9) | 44 | 59 | 55.8 (0.6) | 57.1 (1.5) | 1.68 (0.09) | 1.48 (0.13) | 42.7 (3.5) |
10 µg/L ATR | 58.2 (2.3) | 38 | 56 | 58.8 (1.3) | 56.8 (2.3) | 2.15 (0.18) | 1.80 (0.23) | 39.7 (5.4) |
100 µg/L ATR | 54.1 (2.3) | 55 | 58 | 58.7 (1.1) | 60.1 (1.2) | 2.08 (0.17) | 2.23 (0.16) | 48.4 (4.6) |
Notes:
p < 0.05 for treatment means significantly different from control tested by Dunnett’s post hoc.
p < 0.01 for treatment means significantly different from control tested by Dunnett’s post hoc.
p < 0.01 for sex ratios significantly different than expected 1:1 female:male tested by chi-square analysis.