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Table 3 Reproductive characteristics of oviduct ligated (OL; non crowded) and intact (IN; relatively crowded) sows fed an unsupplemented (Ctrl) or l-arginine supplemented gestation 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 IUC × DIET
Observations 5 5 5 5     
Total born 15.5 15.3 10.5 11.9 1.71 0.255 0.722 0.657
Born alive 13.1 14.5 9.1 10.3 1.49 0.230 0.463 0.961
Male:female ratio 0.47 0.62 0.50 0.41 0.093 0.508 0.732 0.368
Birth weight, kg
 Total born 1.22 1.48 1.57 1.51 0.068 0.278 0.214 0.126
 Born alive
  All 1.24 1.50 1.59 1.53 0.068 0.277 0.224 0.133
  Male 1.31 1.46 1.74 1.63 0.079 0.224 0.511 0.087
  Female 1.26 1.51 1.50 1.44 0.092 0.580 0.365 0.230
  SDc 0.24 0.25 0.18 0.14 0.056 0.414 0.869 0.626
  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), and interaction IUC × DIET
  3. 3Measure for variability in birth weight, expressed as standard deviation (SD).