From: The optimal dietary arginine level of laying hens fed with low-protein diets
Item, nmol/mg prot | Control2 | Dietary arginine level in LP diet, %3 | P-value | ||||||
---|---|---|---|---|---|---|---|---|---|
0.80 | 0.85 | 0.90 | 0.95 | 1.00 | |||||
Diet4 | Linear5 | Quadratic5 | |||||||
Liver | |||||||||
 MDA | 0.33 ± 0.03 | 0.35 ± 0.05 | 0.38 ± 0.03 | 0.36 ± 0.03 | 0.36 ± 0.04 | 0.40 ± 0.03 | 0.772 | 0.428 | 0.836 |
 Protein carbonyl | 1.56 ± 0.07 | 1.55 ± 0.14 | 1.27 ± 0.04 | 1.32 ± 0.07 | 1.72 ± 0.22 | 1.31 ± 0.08 | 0.059 | 0.619 | 0.747 |
 T-AOC | 78.9 ± 4.31a | 74.6 ± 3.39ab | 73.5 ± 4.81ab | 72.0 ± 4.09abc | 65.5 ± 3.28bc | 61.0 ± 2.30c | 0.022 | 0.003 | 0.370 |
Duodenum | |||||||||
 MDA | 1.08 ± 0.16ab | 0.73 ± 0.07b | 0.60 ± 0.11b | 1.20 ± 0.23ab | 1.25 ± 0.14ab | 1.62 ± 0.42a | 0.027 | 0.002 | 0.592 |
 Protein carbonyl | 1.91 ± 0.09 | 1.88 ± 0.44 | 1.96 ± 0.23 | 1.98 ± 0.18 | 2.12 ± 0.16 | 1.67 ± 0.18 | 0.885 | 0.814 | 0.347 |
 T-AOC | 169.5 ± 6.6bcd | 188.4 ± 6.3ab | 195.0 ± 10.8a | 180.1 ± 6.5abc | 164.7 ± 6.0cd | 150.6 ± 5.7d | < 0.001 | < 0.001 | 0.127 |
Jejunum | |||||||||
 MDA | 0.27 ± 0.05b | 0.34 ± 0.08ab | 0.22 ± 0.03b | 0.34 ± 0.03ab | 0.37 ± 0.05ab | 0.47 ± 0.07a | 0.044 | 0.032 | 0.108 |
 Protein carbonyl | 2.15 ± 0.58 | 2.87 ± 0.55 | 1.61 ± 0.32 | 2.43 ± 0.68 | 1.55 ± 0.32 | 2.81 ± 0.58 | 0.347 | 0.733 | 0.163 |
 T-AOC | 289.0 ± 17.7a | 274.4 ± 10.3a | 275.0 ± 11.7a | 262.6 ± 11.9ab | 269.2 ± 19.8ab | 222.1 ± 11.5b | 0.007 | 0.021 | 0.176 |
Ileum | |||||||||
 MDA | 0.56 ± 0.10 | 0.61 ± 0.13 | 0.43 ± 0.05 | 0.67 ± 0.10 | 0.60 ± 0.12 | 0.52 ± 0.06 | 0.603 | 0.924 | 0.837 |
 Protein carbonyl | 2.18 ± 0.29 | 1.91 ± 0.09 | 2.32 ± 0.20 | 2.48 ± 0.28 | 1.89 ± 0.21 | 2.31 ± 0.14 | 0.319 | 0.452 | 0.246 |
 T-AOC | 283.8 ± 11.5 | 290.7 ± 14.2 | 281.9 ± 5.2 | 270.7 ± 9.1 | 281.6 ± 4.2 | 255.9 ± 8.5 | 0.205 | 0.028 | 0.752 |