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Table 6 Relative expression of myogenesis-related genes in the Semitendinosus muscle of selected offspring born from oviduct ligated (OL; non crowded) and intact (IN; relatively crowded) sows 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
Gene3 Ctrl ARG Ctrl ARG SEM IUC DIET BtW IUC×DIET DIET×BtW
Observations 16 17 17 15       
IGF2 2.36 1.55 0.91 1.70 0.555 0.487 0.967 0.965 0.013 0.950
IGFBP5 5.63 5.65 2.32 4.62 2.190 0.489 0.233 0.275 0.290 0.297
MSTN 4 1.60 1.64 0.46 0.98 1.754 0.351 0.232 0.105 0.241 0.110
MYF5 4 0.35 0.42 0.24 0.28 1.694 0.631 0.531 0.895 0.974 0.159
MYF6 0.58 0.65 1.18 0.98 0.576 0.623 0.859 0.893 0.664 0.631
MYOD1 4 2.36 1.84 0.68 0.48 2.143 0.223 0.340 0.056 0.885 0.418
MYOG 0.94 0.70 1.32 1.11 0.255 0.333 0.168 0.392 0.915 0.417
PRKAA2 0.72x 1.04by 0.26x 0.15ax 0.194 0.024 0.264 0.298 0.034 0.091
  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. 3 IGF2 Insulin-like growth factor 2, IGFBP5 Insulin-like growth factor binding protein 5, MSTN Myostatin, MYF5 myogenic factor 5, MYF6 myogenic factor 6, MYOD1 Myogenic differentiation 1, MYOG Myogenin (myogenic factor 4), PRKAA2 Protein kinase AMP-activated, alpha 2 catalytic subunit
  4. 4Statistical evaluation was performed with log transformed data
  5. a,bWithin a row for the main factor treatment, least squares means without a common superscript differ (P < 0.05)
  6. x,yWithin a row for the main factor treatment, least squares means without a common superscript differ (0.05 < P < 0.10)