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Table 5 Results of a bi-dimensional genome scan for total number of piglets born (TNB)

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

SSC 1

Position 1 cM (CI)

SSC 2

Position 2 cM (CI)

LR

(P-value)

a 1 (SE)

d 1 (SE)

a 2 (SE)

d 2 (SE)

a × a (SE)

a × d (SE)

d × a (SE)

d × d (SE)

1

79 (72-84)

7

107 (100-116)

31.70

<0.01

-0.55 (0.17)

-0.68 (0.29)

0.68 (0.29)

   

2.27 (0.49)

3.29 (0.85)

1

139 (132-147)

7

89 (84-96)

28.47

<0.05

   

0.63 (0.31)

 

-2.10 (0.54)

2.08 (0.60)

2.18 (1.04)

4

23 (21-26)

12

5 (1-10)

27.45

<0.05

 

0.65 (0.25)

  

0.80 (0.33)

 

-0.92 (0.35)

-2.61 (0.57)

6

60 (55-69)

7

24 (12-33)

35.01

<0.01

      

2.47 (0.62)

5.29 (1.30)

7

70 (46-77)

13

77 (73-81)

28.41

<0.05

  

-1.03 (0.26)

0.84 (0.28)

1.08 (0.39)

-1.56 (0.50)

-1.09 (0.46)

-3.14 (0.82)

8

83 (76-89)

14

58 (54-63)

29.63

<0.05

     

2.29 (0.46)

  

9

4 (1-10)

13

74 (63-81)

26.99

<0.05

  

-0.70 (0.21)

0.63 (0.27)

0.72 (0.34)

  

-2.98 (0.64)

12

11 (8-19)

12

86 (77-93)

32.10

<0.01

  

1.01 (0.20)

 

-1.38 (0.27)

0.73 (0.34)

 

2.00 (0.52)

14

89 (80-97)

15

100 (96-101)

28.30

<0.05

    

0.79 (0.34)

-1.14 (0.40)

-1.20 (0.41)

-2.62 (0.69)

  1. SSC1 and Position 1 : Chromosome and position, in centimorgans (cM), of the first QTL location. SSC2 and Position 2 : Chromosome and position, of the second QTL location. CI: Confidence interval interval. LR, Likelihood ratio of contrast of the models with and without epistasis. a1: additive effect of the first location. a2: additive effect of the second location. d1: dominance effect of the first location. d2: dominance effect of the second location. a × a: additive by additive effect. a × d: additive by dominance effect. d × a: dominance by additive effect. d × d: dominance by dominance effect. SE: standard error. Only significant values of a, d, and their interactions are shown.