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Table 4 Birth weight, absolute and relative muscle and organ weights and brain:liver weight ratio of offspring born from oviduct ligated (OL; non crowded) and intact (IN; relatively crowded) fed an unsupplemented (Ctrl) or l-arginine supplemented diet (ARG) from d 14 to 28 of gestation1

From: Impact of dietary l-arginine supply during early gestation on myofiber development in newborn pigs exposed to intra-uterine crowding

  IN OL    P-value2  
Item Ctrl ARG Ctrl ARG SEM IUC DIET BtW IUC×DIET DIET×BtW
Observations 19 19 17 15       
Birth weight, kg 1.06 1.21 1.58 1.59 0.128 0.008 0.068 0.564 0.137 < 0.001
Weights, g
Semitendinosus muscle 2.08 2.48 3.47 3.60 0.417 0.025 0.074 0.571 0.426 0.009
Psoas major muscle 2.15 2.36 3.86 4.02 0.343 0.001 0.232 0.543 0.891 0.024
 Heart 8.34a 10.54b 8.35ab 7.38ab 1.695 0.418 0.159 0.806 0.005 0.032
 Liver 20.91 27.39 45.98 47.55 5.808 0.004 0.053 0.529 0.290 0.022
 Spleen 1.05 1.00 1.45 1.50 0.164 0.063 0.938 0.918 0.537 0.052
 Lungs 16.48 18.24 19.86 18.66 2.655 0.576 0.750 0.459 0.152 0.010
 Kidneys 7.68 8.93 12.77 12.73 1.516 0.033 0.301 0.771 0.322 0.022
 Brain 32.22 33.01 33.85 34.32 0.781 0.235 0.119 0.621 0.699 0.031
Brain:liver weight ratio 1.36 1.12 0.94 0.92 0.222 0.270 0.077 0.151 0.182 0.001
Weights, g/100 g BtW
Semitendinosus muscle 2.09 2.08 2.19 2.28 0.095 0.328 0.415 0.716 0.341 0.511
Psoas major muscle 2.06 2.14 2.31 2.39 0.140 0.277 0.276 0.314 0.987 0.483
 Heart 0.70 0.67 0.67 0.65 0.023 0.492 0.030 0.770 0.720 0.338
 Liver 2.21 2.47 2.78 2.77 0.179 0.128 0.192 0.629 0.142 0.343
 Spleen 0.10b 0.09a 0.09ab 0.09ab 0.006 0.665 0.176 0.734 0.018 0.556
 Lung 1.47 1.39 1.31 1.27 0.109 0.363 0.250 0.235 0.762 0.655
 Kidney 0.74 0.72 0.80 0.82 0.043 0.270 0.764 0.613 0.396 0.627
 Brain 2.87 2.53 2.47 2.50 0.323 0.616 0.169 0.204 0.114 < 0.001
  1. 1Results are presented as least squares means of interactions between the two main factors extent of intra uterine crowding and dietary treatment and pooled SEM
  2. 2Probability values for the effects of extent of intra uterine crowding (IUC), dietary treatment (DIET), birth weight (BtW), and interactions IUC × DIET and DIET × BtW
  3. a,bWithin a row for the main factor treatment, least squares means without a common superscript differ (P < 0.05)