Table 7 Means (+ SE) of growth and feed efficiency traits^a by genotype of the five most significant SNPs

AX_101003762 (BW28)

CC (1,825)

1148 ± 7.16^a

2418 ± 10.81^a

164.8 ± 0.80^a

 − 0.05 ± 0.44

 − 0.02 ± 0.47

CT (1,234)

1133 ± 6.83^b

2399 ± 10.28^b

164.1 ± 0.76^ab

0.02 ± 0.42

 − 0.01 ± 0.46

TT (255)

1104 ± 8.06^c

2368 ± 12.19^c

163.2 ± 0.90^b

0.28 ± 0.39

0.58 ± 0.43

P value

2.14e−06

9.55e−06

0.03

0.87

0.64

AX_172583407 (BW42)

CC (238)

1107 ± 8.24^c

2363 ± 12.39^c

162.3 ± 0.92^c

 − 0.02 ± 0.41

0.00 ± 0.44

CT (1,222)

1134 ± 7.05^b

2395 ± 10.57^b

163.7 ± 0.78^b

0.03 ± 0.43

0.08 ± 0.47

TT (1,854)

1146 ± 7.39^a

2420 ± 11.11^a

165.1 ± 0.82^a

 − 0.02 ± 0.45

0.00 ± 0.49

P value

1.06e−08

3.64e−13

3.59e−07

0.99

0.97

AX_75546765 (ADFI)

AA (2,414)

1141 ± 13.65

2411 ± 20.48

165.0 ± 1.50^a

0.27 ± 0.82^a

0.27 ± 0.91

AC (841)

1135 ± 13.29

2397 ± 19.93

163.2 ± 1.46^b

 − 0.57 ± 0.80^b

 − 0.49 ± 0.90

CC (59)

1129 ± 14.16

2374 ± 21.25

159.3 ± 1.56^c

 − 2.9 ± 0.80^c

 − 2.14 ± 0.89

P value

0.39

0.15

2.57e−03

7.40e−03

0.06

AX_172588157 (RFI)

CC (491)

1136 ± 7.00

2397 ± 10.55

162.5 ± 0.77^c

 − 1.26 ± 0.30^c

 − 1.06 ± 0.32^c

CT (1,556)

1140 ± 5.42

2408 ± 8.14

164.3 ± 0.60^b

 − 0.13 ± 0.33^b

 − 0.08 ± 0.36^b

TT (1,267)

1139 ± 6.44

2410 ± 9.70

165.3 ± 0.71^a

0.65 ± 0.38^a

0.60 ± 0.41^a

P value

0.26

0.06

1.60e−03

1.95e−03

0.02

AX_172566874(RFIa)

AA (681)

1142 ± 6.49

2415 ± 9.79^a

164.4 ± 0.72

 − 0.56 ± 0.25

 − 1.13 ± 0.28^c

AG (1,634)

1138 ± 4.77

2405 ± 7.17^b

164.3 ± 0.53

 − 0.03 ± 0.29

0.09 ± 0.33^b

GG (999)

1139 ± 5.87

2404 ± 8.84^b

164.6 ± 0.65

0.43 ± 0.35

0.70 ± 0.38^a

P value

0.32

0.03

0.17

0.14

3.06e−03