Table 2 Growth performance of CON and ARG birds at the end of each feeding phase

Chick weight, g/bird

40.17

40.01

0.34

0.409

Starter (0–9 d)

 BW, g/bird

214.9

218.9

6.77

0.315

 DWG^b, g/d

19.42

19.88

0.74

0.293

 DFI^b, g/d

26.12

25.89

0.85

0.631

 FI^b, g/bird

235.1

233.0

7.62

0.631

 FCR^b

1.345

1.303

0.03

0.044

 Mortality, %

0

0

0

/

Grower I (10–21 d)

 BW, g/bird

893.2

917.6

27.63

0.149

 DWG^b, g/d

56.52

58.22

1.94

0.152

 DFI^b, g/d

86.61

85.56

1.25

0.169

 FI^b, g/bird

1039

1027

15.05

0.169

 FCR^b

1.533

1.470

0.04

0.018

 Mortality, %

0

0

0

/

Grower II (22–35 d)

 BW, g/bird

2262

2339

89.06

0.157

 DWG^b, g/d

97.79

101.5

4.75

0.190

 DFI^b, g/d

169.2

168.5

1.98

0.542

 FI^b, g/bird

2369

2359

27.65

0.542

 FCR^b

1.736

1.661

0.11

0.238

 Mortality, %

0.32

0

0.59

0.356

Finisher (36–49 d)

 BW, g/bird

3778

3937

49.26

 < 0.001

 DWG^b, g/d

108.0

114.0

7.22

0.172

 DFI^b, g/d

221.8

223.4

5.27

0.585

 FI^b, g/bird

3105

3127

73.72

0.585

 FCR^b

2.063

1.961

0.12

0.168

 Mortality, %

0.32

0.64

0.59

0.356