Table 6. Effects of dietary PA levels on intestinal absorptive enzyme and digestive enzyme activities of juvenile blunt snout bream.
| Dietary PA levels (mg kg-1) | Na+-K+-ATPase (U g-1 prot) | γ-GT (U g-1 prot) | AKP (U mg-1 prot) | Lipase (U g-1 prot) | α-Amylase (U g-1 prot) | Protease (U mg-1 prot) |
|---|---|---|---|---|---|---|
| 3.39 | 5.33±0.59a | 9.90±1.09a | 35.34±3.06a | 8.18±0.21a | 713.38±28.80a | 77.65±3.25a |
| 10.54 | 9.35±0.97b | 14.96±0.71b | 48.36±0.79b | 12.77±1.01a | 824.39±15.36b | 92.49±3.12b |
| 19.28 | 11.26±0.78bc | 16.82±0.44bc | 87.31±1.19d | 19.42±1.22c | 819.41±6.18b | 104.83±4.83b |
| 31.04 | 11.48±0.83bc | 16.50±0.24bc | 72.83±1.12c | 21.19±1.23c | 857.61±16.36b | 102.34±3.58b |
| 48.38 | 12.74±1.24c | 18.58±0.55c | 82.07±4.27d | 19.60±1.06c | 832.94±6.91b | 106.24±6.41b |
| 59.72 | 11.96±0.84bc | 17.71±0.60c | 88.02±2.17d | 20.91±2.77c | 852.48±13.08b | 105.27±6.99b |
Values are presented as mean ± SD of four replications (n = 4). Means in the same row with different superscripts are significantly different (P < 0.05). γ-GT, gamma-glutamyl transferase; AKP, alkline phosphatase.