Table 5. Concentration of plasma sodium, potassium, chloride, ALT, cortisol and glucose of juvenile barramundi subjected to oxygen reduction shock (from 5.60 mg/L-1 to 2.00 mg/L-1) for 4 hours).
| Diets | Sodium (mmol/L) | Potassium (mmol/L) | Chloride (mmol/L) | ALT (U/L) | Cortisol (mmol/L) | Glucose (mmol/L) | |
|---|---|---|---|---|---|---|---|
| 15FPM | Normal | 155.20±1.23 | 19.69±2.35 | 142.70±1.32 | 133.93±7.96 | 128.86±4.65 | 8.42±1.75 |
| After DO reduction | 148.07±3.56 | 23.01±1.56 | 119.70±0.96 | 116.90±6.56 | 121.43±2.36 | 21.72±2.78 | |
| 30FPM | Normal | 157.27±0.89 | 19.50±3.25 | 145.97±0.03 | 159.23±4.32 | 128.17±7.96 | 3.90±0.98 |
| After DO reduction | 138.07±1.36 | 23.76±1.76 | 122.30±1.29 | 101.23±2.35 | 109.96±2.36 | 24.59±1.89 | |
| 60FPM | Normal | 146.70±4.63 | 18.06±3.68 | 137.60±2.35 | 157.03±4.96 | 108.44±6.86 | 5.66±2.45 |
| After DO reduction | 134.63±3.78 | 23.51±2.19 | 117.63±1.95 | 147.40±5.62 | 123.80±3.26 | 26.51±2.95 | |
| 15GPM | Normal | 150.57±1.76 | 20.00±0.22 | 143.00±1.02 | 137.33±3.36 | 143.36±2.56 | 3.93±1.27 |
| After DO reduction | 131.70±2.89 | 19.96±10.26 | 128.23±1.96 | 154.97±2.56 | 152.83±2.98 | 20.81±4.59 | |
| 30GPM | Normal | 151.53±0.76 | 19.63±5.62 | 141.97±1.89 | 78.70±4.23 | 177.37±5.68 | 7.00±3.56 |
| After DO reduction | 141.50±4.89 | 25.62±2.35 | 13.40±2.38 | 103.17±2.95 | 133.40±3.62 | 21.69±2.96 | |
| 60GPM | Normal | 143.80±2.69 | 20.00±3.25 | 138.93±2.56 | 233.17±7.36 | 86.07±2.37 | 5.05±2.35 |
| After DO reduction | 136.73±3.12 | 21.61±1.23 | 126.90±1.94 | 85.30±2.84 | 162.03±5.36* | 31.82±3.12* | |
| 15UPM | Normal | 144.10±7.89 | 18.99±4.95 | 135.67±4.23 | 122.80±3.26 | 106.79±4.36 | 4.07±1.24 |
| After DO reduction | 136.80±2.89 | 22.86±2.35 | 128.57±1.23 | 83.47±4.25 | 108.23±2.35 | 18.79±2.31 | |
| 30UPM | Normal | 153.73±1.56 | 19.62±7.69 | 141.70±0.54 | 149.60±2.56 | 90.43±1.25 | 4.94±2.89 |
| After DO reduction | 127.57±0.96 | 25.00±3.26 | 121.63±1.98 | 135.73±3.65 | 202.53±3.26* | 23.54±2.45 | |
| 60UPM | Normal | 154.63±0.12 | 19.93±2.65 | 142.93±1.85 | 133.00±2.35 | 126.63±1.26 | 7.04±1.95 |
| After DO reduction | 140.37±2.35 | 26.57±1.32 | 124.30±3.75 | 143.10±1.26 | 247.00±3.26* | 28.56±3.12* | |
| Control | Normal | 156.37±0.87 | 18.84±2.65 | 143.60±1.23 | 129.63±3.65 | 140.30±2.85 | 5.77±3.26 |
| After DO reduction | 128.97±1.52 | 21.73±1.35 | 124.57±2.38 | 116.60±2.35 | 121.44±3.11 | 19.4±1.28 | |
| Before hypoxic condition | |||||||
| Inclusion levels | ns | ns | ns | ns | ns | ns | |
| PM types | ns | ns | ns | ns | ns | ns | |
| Interaction | ns | ns | ns | ns | ns | ns | |
| After hypoxic condition | |||||||
| DO reduction | ns | ns | ns | ns | ** | * | |
| Test diets | ns | ns | ns | ns | ns | ns | |
| Interaction | ns | ns | ns | ns | ns | ns | |
An asterisk (*) denotes a statistically significant differences in plasma cortisol level between before and after DO reduction. Values are shown as mean ± standard deviation.