Table 1 Chemical composition of starter and grower feed for broiler ducks and halloysite

Gross energy (MJ/kg)

16.72

16.46

0.514

Dry matter (g/kg feed)

889.50

886.30

0.460

Crude ash (g/kg DM)

58.42

61.24

0.844

Crude protein (g/kg DM)

221.55

215.32

1.282

Crude fat (g/kg DM)

41.51

36.51

0.619

Crude fiber (g/kg DM)

54.78

56.84

1.651

ADF (g/kg DM)

55.22

53.33

1.423

NDF (g/kg DM)

138.77

144.64

1.442

ADL (g/kg DM)

22.74

26.58

0.697

Starch (g/kg DM)

414.41

437.20

3.281

Grower diet (days 29–42)

Gross energy (MJ/kg)

16.84

16.67

0.024

Dry matter (g/kg feed)

884.60

879.22

1.004

Crude ash (g/kg DM)

57.29

58.10

0.346

Crude protein (g/kg DM)

223.30

204.39

2.235

Crude fat (g/kg DM)

42.74

36.36

0.775

Crude fiber (g/kg DM)

52.01

52.70

0.259

ADF (g/kg DM)

49.77

57.73

1.241

NDF (g/kg DM)

141.91

150.14

1.247

ADL (g/kg DM)

24.45

24.36

0.259

Starch (g/kg DM)

426.19

440.30

1.902