Table 7.
The activities of digestive enzymes in the gastrointestinal tract of largemouth bass larvae fed with experimental diets for 26 days.
| Experimental diets | Regression (P, R2) | ||||||
|---|---|---|---|---|---|---|---|
| PH0 | PH25 | PH50 | PH75 | PH100 | Linear | Quadratic | |
| Pepsin (U/mgprot) | 1.96 ± 0.03b | 2.23 ± 0.05ab | 2.23 ± 0.02ab | 2.13 ± 0.04ab | 2.67 ± 0.10a | 0.051, 0.262 | 0.153, 0.269 |
| Trypsin (U/mgprot) | 859.76 ± 15.80c | 1459.54 ± 90.93b | 1913.52 ± 81.06a | 1252.55 ± 66.17b | 1851.92 ± 48.75a | 0.013, 0.392 | 0.015, 0.502 |
| AMS (U/gprot) | 25.44 ± 1.64a | 24.23 ± 2.5ab | 24.64 ± 1.27ab | 29.22 ± 0.20a | 16.61 ± 1.92b | 0.196, 0.125 | 0.266, 0.198 |
| AKP (U/mgprot) | 0.78 ± 0.03b | 0.79 ± 0.05b | 1.01 ± 0.02a | 0.83 ± 0.04ab | 0.91 ± 0.10ab | 0.235, 0.107 | 0.150, 0.271 |
Values (means ± standard error of the mean, SEM, N = 3) within a row with a common superscript letter are not significantly different from the other dietary groups (P > 0.05). AMS, amylase; AKP, alkaline phosphatase.