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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)

From: Effect of dietary arginine to lysine ratios on productive performance, meat quality, plasma and muscle metabolomics profile in fast-growing broiler chickens

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
  1. a Results are reported as mean ± SEM