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Table 2 Growth performance of broiler chickens

From: Effect of dietary supplementation with yeast cell wall extracts on performance and gut response in broiler chickens

 

Dietary treatment

P-value

RMSEa

Control (C)

Yeast (Y)

Broilers, n

226

229

  

Live weight, g

 1 d

45.9

46.5

0.11

3.40

 14 d

422

411

0.08

54.1

 28 d

1494

1451

0.03

134

 44 d

2959

2968

0.83

230

Period 1 (1–14 d)

 Daily weight gain, g/d

28.9

28.0

0.06

4.11

 Feed intakeb, g/d

34.1

33.6

0.23

1.05

 Feed conversion indexb

1.18

1.20

0.10

0.03

Period 2 (14–28 d)

 Daily weight gain g/d

76.6

74.3

0.04

6.78

 Feed intakeb, g/d

109

105

< 0.01

3.00

 Feed conversion indexb

1.43

1.42

0.40

0.02

Period 3 (28–44 d)

 Daily weight gain, g/d

91.6

94.8

0.06

10.5

 Feed intakeb, g/d

183

180

0.34

7.34

 Feed conversion indexb

2.00

1.90

< 0.001

0.05

Whole trial (1–44 d)

 Daily weight gain, g/d

66.2

66.4

0.84

5.22

 Feed intakeb, g/d

114

111

0.09

3.43

 Feed conversion indexb

1.74

1.70

0.01

0.03

  1. aRMSE, root mean square error
  2. bPen-based data