Table 4 Association analysis between FTO SNP FM244720:g.400C>G and carcass traits in crossbred pigs

Average daily gain (g/day)

801 ± 16.53^a

(64)

825 ± 13.59

(71)

864 ± 21.55^b

(20)

0.02

873 ± 12.73

(148)

869 ± 10.92^a

(218)

895 ± 12.35^b

(99)

0.02

Fat in the belly 2 (%)

39.07 ± 2.68^A

(14)

30.73 ± 1.72^B

(25)

34.74 ± 2.51

(9)

0.002

33.25 ± 1.49^a

(50)

30.81 ± 1.13^b

(99)

33.46 ± 1.25^a

(46)

0.03

Intramuscular fat in the m.l.l.t. (%)

1.58 ± 0.16

(14)

1.47 ± 0.11

(27)

1.57 ± 0.16

(7)

0.46

1.67 ± 0.13

(38)

1.68 ± 0.10^a

(78)

1.93 ± 0.12^b

(28)

0.04

Intramuscular fat in the ham (%)

2.18 ± 0.52^a

(6)

3.52 ± 0.30^b

(23)

3.29 ± 0.42

(8)

0.02

3.01 ± 0.39

(24)

3.42 ± 0.27

(62)

3.42 ± 0.31

(30)

0.29

Average back fat depth (mm)

27.96 ± 0.98^α

(30)

27.01 ± 0.69^α

(45)

21.38 ± 1.01^β

(15)

< 0.0001

26.06 ± 0.65^a

(115)

25.94 ± 0.54^a

(188)

24.68 ± 0.62^b

(93)

0.02

Fat depth (FOM; mm)

15.76 ± 0.59

(64)

15.30 ± 0.48

(71)

14.97 ± 0.76

(20)

0.41

17.78 ± 0.59

(107)

17.85 ± 0.50^a

(149)

16.76 ± 0.59^b

(67)

0.05

Lean cuts (FOM; %)

56.80 ± 0.46

(64)

57.32 ± 0.38

(71)

58.03 ± 0.60

(19)

0.11

54.52 ± 0.45^a

(106)

54.72 ± 0.38^a

(147)

55.72 ± 0.45^b

(67)

0.013

Muscle depth (FOM; mm)

64.44 ± 1.15^a

(64)

66.92 ± 0.95^b

(71)

69.05 ± 1.50^b

(20)

0.02

58.67 ± 1.00^A

(108)

59.80 ± 0.84

(149)

61.51 ± 1.00^B

(67)

0.007

Feed conversion (kg/kg)

2.89 ± 0.06

(64)

2.91 ± 0.05

(71)

2.80 ± 0.08

(20)

0.22

2.82 ± 0.04^a

(133)

2.89 ± 0.04^b,A

(180)

2.78 ± 0.04^B

(70)

0.003