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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