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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).