Table 1 Traits of investigated cockerels used in RNA sequencing and qPCR analyses

Trait

LGR

(n = 9)

HGR

(n = 9)

LGR

(n = 9)

HGR

(n = 9)

Mean ± SD

Mean ± SD

Mean ± SD

Mean ± SD

BW in first day (g)^a

45.1 ± 1.72

45.4 ± 1.64

44.9 ± 1.14

45.2 ± 2.04

BW in 2nd week (g)

486.67 ± 10.0^A

547.0 ± 14.94^B

484.0 ± 11.74^A

545.6 ± 11.30^B

Slaughter BW (g)

1120.0 ± 14.14^A

1296.0 ± 20.66^B

3222.0 ± 75.10^A

3906.7 ± 95.92^B

Average daily gain (g)^a

51.19 ± 0.69^A

59.55 ± 0.92^B

72.21 ± 1.71^A

87.76 ± 2.18^B

Average daily gain from 2nd week (g)

79.17 ± 2.34^A

93.17 ± 2.39^B

88.32 ± 2.58^A

108.42 ± 3.23^B

Breast muscles (g)

200.18 ± 11.27^A

243.74 ± 11.94^B

786.45 ± 66.92^A

955.40 ± 46.44^B

Leg muscles (g)

174.05 ± 8.97^A

204.33 ± 11.52^B

538.98 ± 51.59^A

657.69 ± 42.71^B

Abdominal fat (g)

8.42 ± 2.63

9.77 ± 2.34

26.59 ± 10.21

34.11 ± 6.33

Feed intake (g)

634.8 ± 18.64^A

689.8 ± 15.75^B

4575.6 ± 187.24^A

5036.8 ± 106.28^B

Feed Conversion Ratio (FCR)

1.0 ± 0.03^A

0.92 ± 0.02^B

1.67 ± 0.07^A

1.5 ± 0.03^B