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Table 4 Effect of dietary citrulline supplementation on plasma metabolites of laying hens at 32 and 42 weeks of age

From: Dietary L-citrulline supplementation modulates nitric oxide synthesis and anti-oxidant status of laying hens during summer season

  Control 0.25% L-Cit 0.50% L-Cit 1.00% L-Cit P-value
4th week
 TG, mmol/ L 2.25 ± 0.32 1.58 ± 0.33 2.14 ± 0.39 2.18 ± 0.44 0.570
 TCHO, mmol/ L 6.64 ± 0.65 7.11 ± 0.80 5.86 ± 0.60 6.16 ± 0.30 0.510
 GLU, mmol/ L 12.46 ± 0.41 12.12 ± 0.32 12.07 ± 0.34 12.54 ± 0.54 0.802
 TP, g/L 48.33 ± 2.78 43.77 ± 2.73 53.38 ± 7.83 47.88 ± 7.00 0.690
 UA, μmol/ L 169.83 ± 26.66 103.00 ± 21.25 108.17 ± 11.13 126.50 ± 36.50 0.270
 AST, U/L 198.67 ± 20.81 213.17 ± 15.85 176.50 ± 11.17 185.50 ± 6.67 0.336
8th week
 TG, mmol/ L 2.85 ± 0.28a 1.87 ± 0.24b 2.67 ± 0.31ab 1.94 ± 0.31b 0.045
 TCHO, mmol/ L 4.14 ± 0.40 3.59 ± 0.33 4.39 ± 0.30 4.08 ± 0.29 0.401
 GLU, mmol/ L 12.34 ± 0.35 12.39 ± 0.27 11.82 ± 0.63 12.40 ± 0.38 0.741
 TP, g/L 49.20 ± 4.59 47.15 ± 1.63 41.20 ± 2.97 44.00 ± 2.39 0.296
 UA, μmol/ L 151.75 ± 19.91 156.50 ± 24.15 179.00 ± 9.54 153.88 ± 22.05 0.747
 AST, U/L 155.50 ± 13.58 148.63 ± 6.46 156.75 ± 11.68 166.63 ± 11.04 0.716
  1. Data were presented as mean ± SEM, where TG Triglyceride, TCHO Total Cholesterol, GLU Glucose, TP Total protein, UA Uric acid and AST Aspartate aminotransferase. Means with different superscripts within a row differ significantly (P < 0.05) (n = 8)