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Table 4 Evidence for QTL significant at the 5% chromosome-wide level for traits related to muscle fibre distribution 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

% Variance1

ProGiF

1

0

8.7*

24.3

ProFTG/w

1

108

4.3**

6.2

Diared

1

117

3.9**

11.0

Fib/mm2

1

120

3.4*

9.5

Diaw

1

120

4.1**

11.5

ProSTO/red

1

124

4.2**

6.0

Prored

1

136

4.5**

12.6

ToF#

2

40

4.8**

15.0

ProFTO

2

100

5.8***

18.2

CapSTO

2

123

5.6***

17.5

Proim

3

10

3.3*

9.1

ProFTO

3

16

3.8*

11.9

DiaAnf

4

13

4.6**

12.9

Prow

4

19

3.2*

9.0

ProFTO/im

4

64

3.4*

4.8

ProFTG/w

4

80

4.5*

6.4

DiaFTO/im

4

80

4.3**

6.2

DiaGiF

4

129

4.7*

13.1

ProGiF

4

132

6.2***

8.8

ToF#

5

75

4.3*

12.2

Prow

7

139

3.4*

9.5

ProFTO

8

55

6.0***

18.9

ProAnF

8

97

5.1*

15.9

ProFTG

8

127

5.4**

17.0

Fib/mm2

9

50

3.9**

4.1

DiaFTG/w

9

72

3.3*

3.2

ProAnF

10

11

4.3*

13.5

ToF#

11

80

6.0**

17.3

Diaim

11

83

4.0**

11.1

Diared

11

85

3.9**

11.0

Diaw

11

86

4.7**

13.1

Fib/mm2

11

91

5.2***

5.9

Prored

11

98

3.5*

9.9

Prow

11

98

3.4*

9.5

ProGiF

12

38

10.3***

24.4

DiaGiF

12

56

7.4***

17.5

Capmean

13

54

3.2*

10.0

DiaFTG/w

13

60

3.9*

5.6

Fib/mm2

13

62

4.1**

5.9

CapSTO

13

66

4.0*

12.7

ToF#

13

76

3.2*

9.3

ToF#

14

24

3.9*

12.3

ProGiF

15

32

12.7****

15.5

DiaGiF

15

34

6.4**

15.1

Prored

16

12

3.1*

8.6

ProGiF

16

74

4.3*

13.6

Fib/mm2

17

22

3.1*

9.7

ProAnF

17

58

4.1**

5.9

  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