Head and neck traits Overall

Overall Age (Years)

1

2

3

4

Head length

Overall

16.3 ± 01

14.2 ± 0.2

15.4 ± 0.1

16.7 ± 1.2

19.2 ± 0.1

Ram

16.4 ± 0.5

15.2 ± 0.1

15.9 ± 0.3

16.7 ± 0.6

18.0 ± 0.3

Ewe

16.4 ± 0.6

15.3 ± 0.1

15.9 ± 0.4

16.8 ± 0.2

17.7 ± 0.0

Ear length

Overall

13.4 ± 0.2

12.1 ± 0.2

12.8 ± 0.7

14.0 ± 0.4

14.8 ± 0.5

Ram

13.1 ± 0.2

12.0 ± 0.3

12.9 ± 0.2

13.7 ± 04

13.9 ± 1.2

Ewe

12.8 ± 0.7

11.7 ± 0.5

12.3 ± 0.6

13.6 ± 0.2

13.9 ± 1.0

Neck length

Overall

32.8 ± 0.2

30.1 ± 0.4

32.3 ± 0.3

33.8 ± 0.6

35.1 ± 0.6

Ram

33.8 ± 0.5

32.4 ± 0.5

33.1 ± 0.7

34.0 ± 0.6

35.9 ± 0.2

Ewe

32.7 ± 0.5

31.3 ± 0.5

32.8 ± 0.3

33.0 ± 0.2

33.9 ± 0.3

Neck girth

Overall

32.7 ± 0.7

30.2 ± 0.1

32.0 ± 0.3

33.8 ± 0.6

35.1 ± 0.5

Ram

33.5 ± 0.5

32.1 ± 1.0

33.4 ± 0.1

33.8 ± 0.5

34.9 ± 0.6

Ewe

32.2 ± 0.7

29.8 ± 0.5

31.6 ± 0.8

33.0 ± 1.0

34.7 ± 0.3

Head girth above eyes

Overall

15.07 ± 0.5

14.3 ± 0.5

14.8 ± 0.3

16.0 ± 0.2

15.2 ± 0.4

Ram

15.8 ± 0.7

15.1 ± 0.7

15.8 ± 0.5

16.0 ± 0.4

16.6 ± 0.5

Ewe

15.7 ± 0.7

14.3 ± 0.5

15.7 ± 0.7

16.3 ± 0.6

16.8 ± 0.2

Head girth below eyes

Overall

25.2 ± 0.2

24.5 ± 0.7

24.8 ± 0.6

25.1 ± 0.3

25.7 ± 0.6

Ram

25.3 ± 0.2

24.6 ± 0.7

25.0 ± 0.3

25.8 ± 0.1

25.9 ± 1.2

Ewe

24.9 ± 0.5

24.0 ± 0.3

24.7 ± 0.5

25.3 ± 0.1

25.8 ± 0.3

Distance

from ear

to ear

Overall

12.9 ± 0.7

12.3 ± 0.1

12.7 ± 0.4

13.1 ± 0.4

13.8 ± 0.1

Ram

13.4 ± 0.4

12.7 ± 0.6

13.0 ± 0.2

13.8 ± 0.3

14.3 ± 0.3

Ewe

13.0 ± 0.0

12.0 ± 0.4

12.8 ± 0.4

13.2 ± 0.3

14.0 ± 12