Table 2.
Item | Control | Heat stress | P value |
---|---|---|---|
Initial day (21 d) | |||
Body weight (g/ broiler) |
1018.81 ± 7.50 | 1030.41 ± 7.47 | 0.98 |
35 d | |||
Body weight (g/ broiler) |
2366.83 ± 63.24 | 1634.67 ± 50.90⁎⁎ | 0.01 |
21–35 d | |||
Feed intake (g/ broiler) |
2296.45 ± 73.95 | 1536.60 ± 65.02⁎⁎ | 0.01 |
Weight gain (g/ broiler) |
1346.34 ± 76.15 | 710.70 ± 66.23⁎⁎ | 0.01 |
FCR | 1.72 ± 0.04 | 2.40 ± 0.17* | 0.05 |
Effect of chronic heat stress on the growth performance of broilers (n = 8). Body weight, feed intake, weight gain, and feed conversion ratio (FCR) in control and treatment groups, All the data were presented by mean ± SE (standard error).
Asterisk (*) represents statistical difference between control and treatment groups, *P < 0.05, **P < 0.01.