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Table 1 Statistics of the estimated breeding values for the 29 conformation traits used in the GWAS

From: Genome wide association studies for body conformation traits in the Chinese Holstein cattle population

Traits

N

Mean

Variance

SD

Min

Max

Heritability

Conformation (final score)

1314

-1.58

9.73

3.12

-14

8

0.21

Capacity

1314

-1.92

14.61

3.82

-14

10

0.29

Stature

1314

-1.74

21.88

4.68

-25

13

0.37

Height at front end

1314

-0.96

8.42

2.90

-11

10

0.14

Animal size

1314

-1.50

15.27

3.91

-17

12

0.37

Chest width

1314

-2.59

14.30

3.78

-14

7

0.09

Body depth

1314

-0.84

13.76

3.71

-15

8

0.19

Rump

1314

-1.24

11.68

3.42

-12

11

0.07

Rump angle

1314

-0.52

18.87

4.34

-16

14

0.26

Rump width

1314

-0.87

24.09

4.91

-18

21

0.07

Loin strength

1314

-1.41

17.42

4.17

-19

11

0.17

Feet and legs

1314

-1.48

7.17

2.68

-11

7

0.09

Foot angle

1314

-1.03

12.11

3.48

-16

11

0.13

Bone quality

1314

-0.11

13.05

3.61

-14

10

0.10

Rear legs side view

1314

0.01

14.63

3.82

-17

13

0.24

Mammary system

1314

-0.81

13.06

3.61

-16

10

0.19

Udder depth

1314

-1.60

9.59

3.10

-15

8

0.22

Udder texture

1314

-1.17

8.39

2.90

-12

7

0.08

Median suspensory

1314

-0.44

15.10

3.89

-13

13

0.17

Fore udder

1314

-0.59

15.19

3.90

-16

12

0.17

Fore attachment

1314

-0.20

19.12

4.37

-15

11

0.27

Fore teat placement

1314

-0.64

13.37

3.66

-13

12

0.10

Teat length

1314

0.22

12.60

3.55

-16

11

0.18

Rear udder

1314

-0.70

13.16

3.63

-16

11

0.21

Rear attachment height

1314

-0.30

8.95

2.99

-11

8

0.15

Rear attachment width

1314

-1.23

11.34

3.37

-13

10

0.19

Rear teat placement

1314

-1.63

9.97

3.16

-12

9

0.11

Dairy character

1314

-1.50

16.40

4.05

-19

11

0.34

Angularity

1314

-1.39

12.22

3.50

-18

10

0.18

  1. Note: N, SD, Min and Max means observations, standard deviation, minimum and maximum, respectively.