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Table 1 Association of the A17299834G with chicken growth and carcass traits

From: Polymorphisms of the IGF1R gene and their genetic effects on chicken early growth and carcass traits

Traits

P

AA (24)

AG (87)

GG (327)

CW

0.0138

1454 ± 49.61A

1378 ± 28.29A

1311 ± 14.40B

Fat thickness under skin

0.0811

4.71 ± 0.29a

4.31 ± 0.16ab

4.05 ± 0.08b

Fat width

0.0556

13.98 ± 0.84a

12.36 ± 0.48ab

11.84 ± 0.24b

EWG

0.0135

1334 ± 45.81A

1263 ± 26.12A

1201 ± 13.29B

EW

0.0165

1154 ± 40.71A

1095 ± 23.21A

1040 ± 11.81B

Breast muscle weight

0.0588

98.35 ± 3.72a

94.24 ± 2.12ab

89.86 ± 1.08b

BW at 14 days

0.0718

130.3 ± 3.42a

126.3 ± 1.95ab

122.6 ± 0.99b

BW at 21 days

0.1364

221.3 ± 6.51a

214.3 ± 3.73a

208.4 ± 1.89a

BW at 28 days

0.0313

320.1 ± 10.39a

319.5 ± 5.94a

305.7 ± 3.03a

BW at 35 days

0.0143

471.1 ± 15.87a

452.9 ± 9.16ab

428.1 ± 4.66b

BW at 42 days

0.2734

596.3 ± 21.50a

581.9 ± 12.29a

563.9 ± 6.24a

LL at 42 days

0.0608

62.45 ± 0.98a

61.38 ± 0.56ab

60.23 ± 0.28b

BW at 49 days

0.1730

744.4 ± 25.38a

719.1 ± 14.47a

697.4 ± 7.38a

BW at 56 days

0.0466

909.2 ± 30.27a

889.3 ± 17.36a

845.9 ± 8.78b

LL at 56 days

0.0066

74.58 ± 1.07A

74.26 ± 1.07A

71.48 ± 0.31B

BW at 77days

0.0829

1407 ± 59.32a

1363 ± 28.95a

1299 ± 14.66a

DGW at 0–4 weeks

0.0267

10.80 ± 0.37a

10.35 ± 0.21a

9.84 ± 0.10b

  1. CW-carcass weight; EWG-eviscerated weight with giblets; EW-eviscerated weight
  2. BW-body weight; LL-leg length; DGW daily weight gain
  3. The capital letters indicate that multiple comparison is greatly significant (P < 0.01), and small letters indicate that multiple comparison is significant (P < 0.05).