Table 2 Rotated factor pattern (×10) from principal component analysis on the 10 body traits

Wither height

20

92^a

9

Back height

16

95^a

4

Hip bone (hook) height

19

94^a

−1

Body length

20

10

81^a

Chest girth

66^a

32

23

Shoulder width

61^a

11

35

Thorax width

81^a

6

29

Hip bone (hook) width

86^a

15

5

Rump widt

73^a

18

−11

Pin bone width

63^a

32

−40

Eigenvalue

4.521

1.824

1.058

Proportion of variance explained (of total)

0.452

0.182

0.106