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Table 3 Significant single quantitative trait loci (QTL) for number of piglets born alive (NBA) and total number of piglets born (TNB)

From: A bi-dimensional genome scan for prolificacy traits in pigs shows the existence of multiple epistatic QTL

Trait

SSC

Position cM (CI)

LR

Genome-wide significance level (P-value)

a (SE)*

d (SE)

NBA

13

50 (40-59)

24.61

< 0.001

0.71 (0.18) (Meishan)

0.69 (0.25)

 

17

22 (11-42)

22.48

< 0.01

0.73 (0.19) (Iberian)

-0.82 (0.29)

TNB

13

55 (43-64)

21.93

< 0.01

0.61 (0.18) (Meishan)

0.89 (0.28)

 

17

22 (12-62)

21.25

< 0.01

0.68 (0.18) (Iberian)

-0.75 (0.28)

  1. SSC: Sus Scrofa Chromosome. cM: centimorgan. CI: confidence interval. LR: Likelihood ratio. a: additive effect. d: dominance effect. SE: standard error. * Increase in the number of piglets per copy of either Meishan or Iberian allele.