Age (week)

n¹

Mean body weight (g)

PD in feathers (g/d)

PD in feather-free body (g/d)

Feather protein

(g/kg BWG)

Feather-free body protein (g/kg BWG)

Male

Female

Male

Female

Male

Female

Male

Female

Male

Female

1

2

3

4²

5³

Mean

1 - 3⁴

4 - 5⁵

15

12

9

6

3

111

337

787

1422

2107

1267

551

1773

125

376

812

1386

2082

1242

558

1754

0.11

0.35

1.32

1.69

3.08

1.26

0.59

2.33

0.18

0.74

1.20

2.31

3.42

1.57

0.70

2.87

2.72

7.27

13.62

17.70

21.16

12.24

7.87

19.29

3.11

8.26

12.15

15.19

17.25

11.19

7.84

16.22

5.78

7.68

16.46

17.38

24.62

17.50

12.30

21.18

7.80

15.07

16.04

26.02

32.06

22.96

14.45

29.31

145.5

158.9

170.0

182.0

169.2

170.3

163.3

175.3

138.8

169.1

162.3

171.3

161.4

163.8

161.0

165.9

Significance level (p) of two-way ANOVA

Age (A)

Gender (G)

A × G

<0.001

0.640

<0.017

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001