Table 3.
Maximal developed force of Alaska blackfish isometrically-contracting ventricle strips at their maximum attainable contraction frequency expressed as a percentage (%) of routine contraction frequency (02 Hz) under each recording condition.
|
Experimental |
|||
|---|---|---|---|
| Normoxia | Hypoxia | Reoxygenation | |
| Normoxia-acclimated | 74.2 ± 2.4 | 89.1 ± 16.0 | 81.1 ± 10.8 |
| Hypoxia-acclimated |
87.5 ± 5.9 |
80.5 ± 3.1 |
87.5 ± 3.8 |
| Time Controls | |||
| 0 min |
30 min |
60 min |
|
| Normoxia-acclimated | 80.2 ± 6.1 | 91.8 ± 9.3 | 100.7 ± 8.0 |
| Hypoxia-acclimated | 82.7 ± 9.2 | 88.2 ± 8.3 | 83.3 ± 7.1 |
Statistical analysis: 2-way RM ANOVA on log10 transformed data. No differences (P > 0.05) between normoxia- and hypoxia-acclimated preparations or among recording conditions within an acclimation group.
n = 3 strips from N = 3 fish per acclimation group.
Data are means ± SEM.