Table 2. Reproductive performance of piglets during winter and summer

Parameter Winter SEM Summer SEM p-value
At birth
 Litter size1) 11.97 0.84 12.37 0.91 0.75
 Live born piglets/litter1) 11.18 0.75 11.28 0.81 0.92
 Stillborn piglets/litter2) 0.21 0.33 0.57
 Mummified piglets/litter2) 0.57 0.75 0.63
 Weight (kg)1) 1.42 0.03 1.38 0.03 0.32
Weaning (day 21)
 Litter size1) 10.34 0.34 10.27 0.37 0.89
 Dead piglets/litter1) 0.84 0.74 1.013 0.80 0.87
 Weight (kg)1) 6.33 0.10 6.25 0.11 0.58
 Milk yield (kg/d)1) 11.17 0.69 10.36 0.79 0.45
ANOVA GLM (p < 0.05).
Reproductive parameters were analyzed using proportions during two seasons.
SEM, standard error of the mean.