Table 7.
The FAS, SCD, ACC, LPL, HSL, and CPT1 activities (U/L) in the muscle of hybrid catfish fed graded levels of Ile diets for 8 weeks1.
| Item | Dietary Ile levels (g/kg) |
Pr > F2 |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 5.0 | 7.5 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 | ANOVA | Linear | Quadratic | |
| FAS | 51.52 ± 4.21a | 59.47 ± 3.4ab | 65.15 ± 5.88bc | 104.92 ± 3.35e | 226.52 ± 1.7f | 78.41 ± 3.16d | 73.86 ± 5.63cd | 0.00 | 0.00 | 0.00 |
| SCD | 18.87 ± 1.47a | 21.62 ± 1.47abc | 24.33 ± 0.73bc | 24.76 ± 0.54c | 23.59 ± 0.81bc | 21.27 ± 1.43ab | 20.23 ± 0.48a | 0.00 | 0.65 | 0.00 |
| ACC | 24.65 ± 1.02a | 24.61 ± 0.81a | 27.59 ± 0.75b | 33.98 ± 0.7d | 30.87 ± 0.96c | 27.46 ± 0.85b | 23.75 ± 0.95a | 0.00 | 0.18 | 0.00 |
| LPL | 17.52 ± 0.42a | 17.92 ± 0.62ab | 18.01 ± 0.49ab | 19.44 ± 0.29bc | 20.21 ± 0.39c | 18.64 ± 0.88abc | 17.29 ± 0.34a | 0.00 | 0.29 | 0.00 |
| HSL | 55.99 ± 4.04 | 54.69 ± 2.39 | 53.91 ± 3.32 | 52.34 ± 1.44 | 54.17 ± 3.69 | 55.21 ± 3.06 | 58.59 ± 2.64 | 0.87 | 0.58 | 0.17 |
| CPT1 | 116.16 ± 2.66b | 87.17 ± 2.16a | 81.74 ± 2.86a | 80.65 ± 2.43a | 81.38 ± 2.2a | 86.45 ± 1.72a | 113.26 ± 3.16b | 0.00 | 0.43 | 0.00 |
FAS = fatty acid synthase; SCD = stearoyl-CoA desaturase; ACC = acetyl-CoA carboxylase; LPL = lipoprotein lipase; HSL = hormone sensitive lipase; CPT1 = carnitine palmitoyl transferase 1.
1
Values are means ± SEM (n = 18). Values within the same rows having different superscripts are significantly different (P < 0.05).
2
Significance probability associated with the F-statistic.