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Table 8 Effects of the NR2F2 polymorphism on total number born (TNB) and number born alive (NBA) in Duroc (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

Duroc

AA

43

10.43 ± 0.35

9.53 ± 0.37

21

10.88 ± 0.39a

9.87 ± 0.35A

58

9.68 ± 0.34A

9.26 ± 0.39a

122

10.02 ± 0.20

9.30 ± 0.24

AC

52

10.54 ± 0.30

10.07 ± 0.32

36

11.12 ± 0.39

9.98 ± 0.35A

103

10.48 ± 0.25

9.97 ± 0.31

161

10.21 ± 0.16

9.63 ± 0.21

CC

25

10.60 ± 0.43

10.10 ± 0.46

11

11.54 ± 0.45b

10.81 ± 0.40B

40

11.03 ± 0.46B

10.60 ± 0.4b

76

10.17 ± 0.26

9.47 ± 0.30

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