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Table 3 Association of the haplotype composed of SNP A17299834G and C17293932T 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 E1E1 (55) E1E2 (107) E1E3 (14) E1E4 (3) E2E2 (164) E2E3 (70) E3E3 (27)
Breast angle width 0.022 60.23 ± 0.85 60.74 ± 0.54 64.38 ± 1.41 67.86 ± 2.86 59.81 ± 0.42 60.32 ± 0.75 61.36 ± 1.15
CW 0.061 1353 ± 38.55 1302 ± 24.46 1453 ± 64.03 1481 ± 129.10 1301 ± 19.36 1351 ± 34.23 1434 ± 51.93
EWG 0.043 1245 ± 35.56 1245 ± 35.56 1333 ± 59.07 1373 ± 119.09 1193 ± 17.86 1238 ± 31.57 1316 ± 47.91
EW 0.062 1080 ± 31.62 1032 ± 20.07 1151 ± 52.53 1182 ± 105.90 1030 ± 15.88 1072 ± 28.08 1136 ± 42.60
Breast muscle weight 0.034 93.48 ± 2.87 89.20 ± 1.82 104.00 ± 4.77 108.23 ± 9.63 88.74 ± 1.44 90.72 ± 2.55 95.79 ± 3.87
Brain and neck weight 0.063 128.3 ± 4.40 116.4 ± 2.79 134.7 ± 7.31 141.1 ± 14.73 122.9 ± 2.21 124.0 ± 3.91 129.0 ± 5.92
Small intestine length 0.101 139.2 ± 2.41 136.6 ± 1.53 145.0 ± 4.00 147.9 ± 8.08 139.5 ± 1.21 135.1 ± 2.14 136.2 ± 3.25
BW at 14 days 0.071 127.8 ± 2.65 121.6 ± 1.68 127.8 ± 4.40 138.2 ± 8.88 121.6 ± 1.33 124.8 ± 2.36 129.1 ± 3.57
BW at 21 days 0.134 215.1 ± 5.10 206.6 ± 3.22 219.7 ± 8.38 251.0 ± 19.73 207.1 ± 2.55 211.0 ± 4.49 218.9 ± 6.79
BW at 28 days 0.032 315.5 ± 8.10 303.9 ± 5.09 333.7 ± 13.33 374.4 ± 26.78 302.9 ± 4.05 312.0 ± 7.15 326.5 ± 10.83
BW at 35 days 0.023 439.2 ± 12.34 424.8 ± 7.97 486.4 ± 20.59 521.0 ± 41.10 425.0 ± 6.25 440.1 ± 11.15 462.1 ± 16.60
Leg length at 56 days 0.024 72.03 ± 0.83 71.10 ± 0.53 74.97 ± 1.38 77.12 ± 2.79 71.42 ± 0.41 72.77 ± 0.74 74.21 ± 1.12
DGW at 0–4 weeks 0.021 10.24 ± 0.29 9.76 ± 0.18 10.85 ± 0.47 12.30 ± 0.95 9.74 ± 0.14 10.08 ± 0.25 10.60 ± 0.38
  1. CW-carcass weight; EWG-eviscerated weight with giblets; EW-eviscerated weight; BW-body weight;
  2. DGW daily weight gain.
  3. Capital letters indicate that multiple comparison is greatly significant (P < 0.01), and small letters indicate that multiple comparison is significant (P < 0.05).