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Table 2 Association analysis of the GNB1L 31-bp indel with growth traits in the Xinghua × Recessive White Rock F2 populations

From: A 31-bp indel in the 5′ UTR region of GNB1L is significantly associated with chicken body weight and carcass traits

Traits

Mean ± SE

P-value

DD

ID

II

BW0 (g)

30.2 ± 0.3

29.9 ± 0.2

29.7 ± 0.2

0.359

BW7 (g)

61.9 ± 1.1a

60.6 ± 0.8a

58.1 ± 0.7b

0.004

BW14 (g)

130.0 ± 2.1a

128.2 ± 1.6a

119.7 ± 1.4b

0.000

BW21 (g)

221.2 ± 3.9a

219.5 ± 2.9a

203.2 ± 2.6b

0.000

BW28 (g)

326.3 ± 6.2a

319.6 ± 4.6a

300 ± 4.1b

0.000

BW35 (g)

459.1 ± 9.0a

449.8 ± 6.8a

423.2 ± 6.1b

0.001

BW42 (g)

599.0 ± 12.5a

594.5 ± 9.2a

552.3 ± 8.2b

0.000

BW49 (g)

739.4 ± 14.4a

735.3 ± 10.7a

682.5 ± 9.6b

0.000

BW56 (g)

885.0 ± 17.0ab

889.9 ± 12.6a

837.9 ± 11.2b

0.004

BW63 (g)

1051.1 ± 23.0

1032.6 ± 19.2

993.2 ± 16.5

0.088

BW70 (g)

1117.6 ± 26.1

1161.8 ± 17.9

1120.7 ± 15.9

0.180

BW77 (g)

1327.9 ± 29.6

1359.6 ± 20.2

1321.2 ± 18.1

0.353

BW84 (g)

1475 ± 38.2

1514.8 ± 27.7

1487.4 ± 22.7

0.640

SL42 (mm)

61.4 ± 0.6

61.1 ± 0.4

60.1 ± 0.4

0.063

SL49 (mm)

69.4 ± 0.7

67.4 ± 0.7

67.1 ± 0.5

0.033

SL56 (mm)

72.9 ± 0.6

72.8 ± 0.4

71.9 ± 0.4

0.205

SL63 (mm)

79.9 ± 1.4

78.2 ± 1.1

79.3 ± 0.9

0.608

SL70 (mm)

82.5 ± 0.8

83.2 ± 0.5

81.7 ± 0.5

0.111

SL77 (mm)

89.4 ± 1.3

88.4 ± 1.0

88.5 ± 0.8

0.827

SL84 (mm)

88.7 ± 0.9

89.6 ± 0.7

88.9 ± 0.6

0.651

SD42 (mm)

7.9 ± 0.1

8.0 ± 0.1

7.8 ± 0.1

0.174

SD49 (mm)

8.6 ± 0.1

8.6 ± 0.1

8.4 ± 0.1

0.472

SD56 (mm)

8.8 ± 0.1

8.9 ± 0.1

8.7 ± 0.1

0.258

SD63 (mm)

9.3 ± 0.2

9.3 ± 0.2

9.3 ± 0.1

0.892

SD70 (mm)

9.4 ± 0.1

9.5 ± 0.1

9.4 ± 0.1

0.670

SD77 (mm)

9.7 ± 0.2

10.0 ± 0.2

10.0 ± 0.1

0.404

SD84 (mm)

10.0 ± 0.2

10.1 ± 0.1

10.0 ± 0.1

0.725

0–4 DG (g/week)

10.6 ± 0.2a

10.3 ± 0.2a

9.6 ± 0.1b

0.000

4–8 DG (g/week)

20.1 ± 0.5

20.3 ± 0.3

19.2 ± 0.3

0.043

  1. Note: SE = standard error of the mean; BW0, 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77 and 84 = body weights at the ages of 0, 7, 14, 21, 28, 35, 42, 49, 56, 63,70, 77 and 84 days, respectively; SL42, 49, 56, 63, 70, 77 and 84 = shank lengths at the ages of 42, 49, 56, 63, 70, 77 and 84 days, respectively; SD42, 49, 56, 63, 70, 77 and 84 = shank diameters at the ages of 42, 49, 56, 63,70, 77 and 84 days, respectively; 0 to 4 and 4 to 8 DG = daily gains at 0 to 4 and 4 to 8 weeks, respectively. Means with different superscripts indicate highly significant differences (different lowercase letters indicate P < 0.01; the same letters indicate P > 0.01)