Table 5.
Effect of a LPD supplemented with isoleucine (Ile) on serum lipid-related metabolite and hormone levels in broilers.
| Item1 | CON2 | LPD | LPD-LI | LPD-HI | SEM | P-value |
|---|---|---|---|---|---|---|
| TG (mmol/L) | 1.17b | 1.22a | 1.20ab | 1.16b | 0.022 | 0.041 |
| TC (mmol/L) | 3.08b | 3.22a | 3.11b | 3.11b | 0.039 | 0.009 |
| LDL-C (mmol/L) | 0.54 | 0.56 | 0.56 | 0.56 | 0.021 | 0.640 |
| HDL-C (mmol/L) | 1.87a | 1.77b | 1.85a | 1.89a | 0.032 | 0.006 |
| Leptin (µg/L) | 1.77a | 1.69b | 1.76a | 1.76a | 0.020 | 0.003 |
| FFA (µmol/L) | 368.30a | 356.30b | 367.58a | 365.07a | 4.008 | 0.026 |
| Insulin (mU/L) | 17.63b | 19.04a | 18.44ab | 17.66b | 0.403 | 0.006 |
1
TG, triglyceride; TC, total cholesterol; LDL-C, low density lipoprotein cholesterol; HDL-C, high density lipoprotein cholesterol; FFA, free fat acid.
2
CON, control diet; LPD, low-protein diet; LPD-LI, low-protein diet + 0.13% Ile; LPD-HI, low-protein diet + 0.26% Ile.
a,b
Mean values within a row with no common superscript differ significantly (P < 0.05).