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. 2021 May 21;100(8):101274. doi: 10.1016/j.psj.2021.101274

Table 2.

Growth performance of broiler.

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.