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Table 1 Number of observations, means, standard deviations (SD) and coefficients of variation (CV) for piglet and sow performance traits

From: Evaluation of direct and maternal responses in reproduction traits based on different selection strategies for postnatal piglet survival in a selection experiment

Trait Number of observations Mean SD CV
Individual piglet birth weight (kg) 22,107 1.600 0.401 0.25
Piglet survival rate per litter at birth (%) 1765 96.65 6.97 0.07
Piglet survival rate per litter during the nursing period (%) 1765 89.03 11.96 0.13
Average piglet birth weight per litter (kg) 1765 1.636 0.272 0.17
SD of piglet birth weight within litter (kg) 1765 0.312 0.096 0.31
Total number piglets born 1765 12.74 3.19 0.25
Number piglets born alive 1765 12.28 3.08 0.25
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