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Table 2 Phenotypic differences observed for the parameters measured in Duroc, Landrace and Large White litters

From: Metabolomics characterization of colostrum in three sow breeds and its influences on piglets’ survival and litter growth rates

Variables Da Lb LWc Total F value P-value
Number of sows 12 15 31 58   
Order of parturition 2.750 4.067 4.161 3.845 3.555 0.035
Number of piglets born alive per litter
 Mean 8.917 12.600 11.903 11.466 11.85 <.0001
 SD 2.275 1.724 2.256 2.494   
Average LBW at birthd, kg
 Mean 14.033 17.207 16.890 16.381 5.503 0.006
 SD 3.679 2.081 2.828 3.060   
Average piglet’s weight at birth, kg
 Mean 1.588 1.376 1.432 1.450 5.437 0.007
 SD 0.226 0.153 0.155 0.184   
Number of alive piglets per litter at d 3
 Mean 8.250 12.133 10.871 10.655 12.55 <.0001
 SD 1.865 1.767 2.291 2.453   
Number of dead piglets per litter at d 3
 Mean 1.600 1.750 1.583 1.619 0.104 0.902
 SD 1.342 0.500 0.996 0.974   
Average LBW at d 3d, kg
 Mean 16.400 21.167 19.758 19.428 4.948 0.010
 SD 3.993 3.059 4.264 4.211   
Average piglet’s weight at d 3, kg
 Mean 2.001 1.761 1.826 1.846 4.326 0.018
 SD 0.275 0.240 0.213 0.244   
LWGe, kg
 Mean 3.085 4.453 4.103 3.983 0.102 0.902
 SD 0.864 1.461 1.771 1.598   
Number of weaned piglets
 Mean 7.333 11.133 10.032 9.759 11.59 <.0001
 SD 1.875 1.552 2.316 2.423   
Incidence of diarrhoea
 Mean 3 1 4 8 1.048 0.357
  1. aDuroc
  2. bLandrace
  3. cLarge White
  4. dlitter body weight
  5. ethe average litter body weight gain from birth to d 3