Table 5 Relative concentration of differentially expressed plasma metabolites in broiler chickens received a commercial basal diet (CON, n = 9; digestible Arg:Lys = 1.05, 1.05, 1.06 and 1.07) or the same basal diet supplemented with synthetic L-arginine (ARG, n = 9; digestible Arg:Lys = 1.15, 1.15, 1.16 and1.17)
Metabolitesa | CON | ARG | Trend | P-value |
|---|---|---|---|---|
Arginine, mmol/L | 4.30 × 10−3 ± 6.86 × 10− 5 | 5.64 × 10− 3 ± 1.08 × 10− 4 | ↑ | < 0.01 |
Leucine, mmol/L | 1.79 × 10−1 ± 2.41 × 10− 3 | 2.11 × 10− 1 ± 3.93 × 10− 3 | ↑ | 0.01 |
Acetoacetate, mmol/L | 5.94 × 10− 2 ± 1.60 × 10− 3 | 4.35 × 10− 2 ± 1.08 × 10− 3 | ↓ | 0.02 |
Glutamate, mmol/L | 7.31 × 10− 2 ± 6.31 × 10− 4 | 6.56 × 10− 2 ± 4.96 × 10− 4 | ↓ | 0.01 |
Adenosine, mmol/L | 1.38 × 10− 3 ± 2.39 × 10− 4 | 7.84 × 10− 5 ± 3.92 × 10− 5 | ↓ | 0.04 |
Proline, mmol/L | 1.23 × 10− 1 ± 2.18 × 10− 3 | 1.05 × 10− 1 ± 2.06 × 10− 3 | ↓ | 0.04 |