Table 4:
Lactate, lactate dehydrogenase (LDH), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in long-term freshwater (FW)-acclimated sea lampreys challenged in FW (n = 4), 17.5 brackish water (BW-17.5; n = 4) and short-term FW-acclimated sea lampreys challenged in FW (n = 6), BW-17.5 (n = 6), and 25 brackish water (BW-25) osmoregulators (n = 14) and BW-25 osmocompromised animals (n = 4)
| FW acclimation | Group | Lactate (mM) | LDH (U l−1) | ALT (U l−1) | AST (U l−1) |
|---|---|---|---|---|---|
| Long term | FW | 8.12 ± 0.43a | 172.6 ± 57.2 | 0 ± 2.0a | 165.1 ± 10.5 |
| BW-17.5 | 2.73 ± 0.51b | 2983.7 ± 1179.7 | 123.0 ± 57.4b | 600.1 ± 246.7 | |
| Short term | FW | 2.00 ± 0.45ab | 8.5 ± 0.8a | 1.9 ± 1.4a | 61.2 ± 1.6a |
| BW-17.5 | 1.84 ± 0.44ab | 10.3 ± 2.2ab | 4.5 ± 0.3ab | 103.7 ± 20.5ab | |
| BW-25 osmoregulating | 1.00 ± 0.14a | 13.0 ± 1.5ab | 3.4 ± 0.9ab | 94.8 ± 12.9ab | |
| BW-25 osmocompromised | 5.65 ± 3.48b | 1493.9 ± 1334.1b | 15.6 ± 2.6b | 351.6 ± 125.8b |
Values are shown as means ± SEM. Within each experiment, groups that do not share letters are significantly different (P < 0.05).