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Table 6 Effects of the NR2F2 polymorphism on total number born (TNB) and number born alive (NBA) in Large White (LS means ± S.E.)

From: Expression of genes involved in progesterone receptor paracrine signaling and their effect on litter size in pigs

Breed

Genotype

First parity

Second parity

Third to ninth parity

All parities

Litters

TNB

NBA

Litters

TNB

NBA

Litters

TNB

NBA

Litters

TNB

NBA

Large White

AA

90

11.12 ± 0.25

10.33 ± 0.23a

60

11.10 ± 0.40A

10.21 ± 0.35a

144

11.078 ± 0.40

10.09 ± 0.35a

294

10.99 ± 0.32A

10.23 ± 0.28A

AC

96

11.43 ± 0.25

10.59 ± 0.24

66

11.30 ± 0.41A

10.01 ± 0.37

190

10.96 ± 0.40

9.84 ± 0.36A

352

11.24 ± 0.32A

10.32 ± 0.29A

CC

46

11.72 ± 0.32

11.14 ± 0.31b

26

12.86 ± 0.55B

11.20 ± 0.49b

93

10.69 ± 0.46

10.69 ± 0.41Bb

165

11.88 ± 0.35B

11.20 ± 0.32B

  1. Values with different superscripts show significant levels within columns: a, b P < 0.05, A, B P < 0.01