Table 2. The growth performance of male broilers fed riboflavin and Bacillus subtilis from d 0–14

Riboflavin Bacillus Body weight (g) BWG (g) FCR FI (g) Mortality%
d 0 d 14 d 0–14 d 0–14 d 0–14 d 0–14
0.75 40.1 339 299 1.408 424 1.92
6.6 40.0 340 300 1.405 429 3.79
20 40.3 339 299 1.405 422 2.40
SEM1) 0.15 3.56 3.52 0.0072 4.84 0.850
No 40.0 342 302 1.406 430 3.45
Yes 40.2 337 297 1.405 420 1.96
SEM 0.12 2.90 2.88 0.0059 3.95 0.694
p-value
  Riboflavin 0.479 0.976 0.965 0.951 0.568 0.233
Bacillus 0.202 0.256 0.230 0.951 0.063 0.106
  Riboflavin × Bacillus2) 0.696 0.092 0.087 0.917 0.158 0.497
n = 8.
Means of non-significant interaction is not listed.
BWG, body weight gain; FCR, feed conversion ratio; FI, feed intake.