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Table 6 Evidence for QTL significant at the 5% chromosome-wide level for traits related to muscularity and meat quality by chromosome obtained by half-sib analysis. Estimated significance levels (F-value), position, % of F2 variance explained by each QTL, and gene effects.

From: QTL for microstructural and biophysical muscle properties and body composition in pigs

Trait

SSC

Position [cM]

F-Value

% Variance

pH1ML

1

99

3.5*

2.1

FOM

2

20

6.6****

3.8

MAML

2

20

10.0****

5.8

FOM_M

2

20

2.7*

1.6

C1ML

2

24

3.8**

1.8

MCOpto

3

0

7.6****

5.6

pH1ML

3

24

3.0*

1.7

pH1ML

4

12

3.3*

1.9

MAML

4

71

3.2*

1.9

FOM

4

73

5.7****

3.3

MCOpto

5

9

6.6***

4.9

FOM

6

0

4.7***

2.7

C24ML

6

24

4.6*

2.7

MAML

6

32

5.4****

3.1

MCOpto

6

170

4.5*

3.3

pH1ML

8

128

3.3*

2.0

MCOpto

10

128

2.9*

1.7

C24ML

11

36

3.6*

2.1

pH1ML

11

72

3.0*

1.7

pH24ML

13

0

3.4*

2.0

MCOpto

13

43

8.0****

5.9

FOM_M

14

56

2.7*

1.6

C24ML

14

120

3.9*

2.2

pH24ML

15

48

5.4***

3.1

C1ML

15

88

3.0*

1.4

FOM

16

0

5.2****

3.0

FOM_M

16

8

3.8**

2.2

C1ML

16

20

4.5***

2.3

MCOpto

16

42

4.5*

3.3

MCOpto

17

0

3.8*

2.8

C24ML

17

0

5.2***

3.0

FOM

17

12

2.7*

1.6

pH1ML

17

68

3.1*

1.8

FOM

18

0

3.1*

1.8

  1. *: significant at the 5% chromosome-wide level, **: significant at the 1% chromosome-wide level, ***: significant at the 5% genome-wide level, ****: significant at the 1% genome-wide level
  2. 1the fraction of phenotypic variance in the F2 explained by a QTL; calculated as the proportion of residual variance of the statistical models with and without the QTL effect