Age (d)

Feather-free body (% DM)

Empty body² (% DM)

Male

Female

Male

Female

1

19.39

20.19

17.06

18.04

8

23.72

29.22

22.55

27.87

15

26.56

30.17

25.65

28.69

22

26.03

31.21

24.74

29.59

29

27.88

33.15

26.41

31.04

36³

27.27

36.03

25.51

33.34

Mean

25.14

29.99

23.65

28.09

SD

3.42

5.16

3.65

5.06

Significance levels (p) of two-way ANOVA

Age (A)

<0.001

<0.001

Gender (G)

<0.001

<0.001

A × G

=0.013

=0.025