Table 3.
Performance of broiler chickens from d 0 to 10 in response to different rearing methods and dietary protein level.
Gender | CP level | BWG (g) | FI (g) | FCR |
---|---|---|---|---|
Male | SCP | 255 | 293 | 1.151 |
RCP | 242 | 293 | 1.210 | |
Female | SCP | 241 | 280 | 1.160 |
RCP | 237 | 284 | 1.197 | |
Mix | SCP | 247 | 283 | 1.146 |
RCP | 234 | 283 | 1.211 | |
Main effects | ||||
Rearing method | ||||
Female | 239b | 282b | 1.178 | |
Male | 248a | 293a | 1.181 | |
Mix | 241b | 283b | 1.178 | |
CP level | ||||
RCP | 238b | 287 | 1.206a | |
SCP | 248a | 285 | 1.153b | |
P-value | ||||
Rearing method | < 0.001 | 0.003 | 0.954 | |
CP level | < 0.001 | 0.632 | < 0.001 | |
Rearing method × CP level | 0.061 | 0.800 | 0.185 |
Abbreviations: BWG, body weight gain per bird; CP, crude protein; FI, feed intake per bird; FCR, feed conversion ratio; RCP, reduced protein; SCP, standard protein.
Means in a column not sharing the same superscripts are significantly different according to Tukey test (P < 0.05).