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Table 2 Association of the haplotype composed of A17307750G and A17307494G with chicken early growth and carcass traits

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

 

P

H1H1 (122)

H1H2 (184)

H1H3 (24)

H2H2 (91)

H2H3 (12)

H2H4 (4)

H3H3 (1)

BW at 7 days

0.08

59.62 ± 0.69ab

60.38 ± 0.68ab

55.71 ± 1.77b

59.53 ± 0.90ab

53.91 ± 2.43b

55.97 ± 4.04ab

62.18 ± 7.18a

BW at 14 days

0.10

123.6 ± 1.49AB

125.5 ± 1.42AB

122.2 ± 3.69AB

123.1 ± 1.85AB

109.1 ± 5.20A

108.8 ± 7.82A

133.2 ± 15.65B

BW at 21 days

0.10

211.5 ± 2.85AB

211.9 ± 2.72AB

211.1 ± 7.00AB

209.4 ± 3.53AB

179.6 ± 9.86A

183.1 ± 14.82A

218.1 ± 29.66B

BW at 28 days

0.03

310.2 ± 4.54AB

308.8 ± 4.36AB

322.5 ± 11.26AB

309.9 ± 5.62AB

256.2 ± 15.9A

296.8 ± 23.77AB

347.3 ± 47.13B

BW at 35 days

0.005

435.8 ± 6.91AB

437.1 ± 6.61AB

442.0 ± 17.41AB

436.2 ± 8.56AB

344.8 ± 24.74A

465.2 ± 36.33B

455.1 ± 72.08B

BW at 42 days

0.102

578.5 ± 9.37AB

567.1 ± 8.99AB

594.1 ± 23.09B

561.7 ± 11.63AB

473.2 ± 32.45A

543.6 ± 48.65AB

571.9 ± 97.40AB

LL at 42 days

0.008

60.70 ± 0.42AB

60.32 ± 0.40AB

61.91 ± 1.04AB

60.67 ± 0.52AB

55.45 ± 1.46A

63.75 ± 2.19B

60.93 ± 4.39AB

LD at 42 days

0.09

7.89 ± 0.06AB

7.86 ± 0.06AB

7.84 ± 0.16AB

7.86 ± 0.08AB

7.19 ± 0.23A

7.93 ± 0.35AB

8.73 ± 0.71B

BW at 7 days

0.04

712.9 ± 11.02AB

703.7 ± 10.52AB

718.9 ± 27.45AB

697.3 ± 13.71AB

606.9 ± 38.94A

778.8 ± 58.15B

646.2 ± 115.44AB

LL at 7 days

0.001

67.91 ± 0.61AB

67.71 ± 0.68AB

66.98 ± 1.65AB

67.93 ± 0.71AB

59.68 ± 2.23A

73.18 ± 2.75B

67.68 ± 4.80AB

LD at 7 days

0.09

9.28 ± 0.09A

9.30 ± 0.08A

9.64 ± 0.20A

9.48 ± 0.11A

9.26 ± 0.33A

9.29 ± 0.43A

11.53 ± 0.82B

DGW at 0–4 weeks

0.04

10.00 ± 0.16A

9.96 ± 0.15A

10.40 ± 0.41A

10.02 ± 0.20A

8.12 ± 0.57A

9.56 ± 0.84AB

11.23 ± 1.68B

  1. BW – body weight, LL-leg length, LD-leg diameter, DGW-daily weight gain
  2. Capital letters indicate that multiple comparison is greatly significant (P < 0.01), and small letters indicate that multiple comparison is significant (P < 0.05).