Table 1.

Effects of heat stress on growth performance of broilers

Growth Performance
Treatment	Initial Body Weight	Final Body Weight	ADG	ADFI (g)	FCR
Control 1	352.52 ± 18.42	539.64 ± 23.69	187.11 ± 13.25	401.13 ± 5.30	2.15
HS1	353.26 ± 16.08	496.14 ± 28.83**	143.77 ± 18.76	255.99 ± 16.38	2.52
Control 2	354.78 ± 24.23	773.67 ± 97.37	412.95 ± 96.01	847.89 ± 15.62	2.22
HS2	355.49 ± 15.43	655.50 ± 40.06##	300.01 ± 36.50##	758.74 ± 11.95	2.55

^**P < 0.01 vs. control 1, ^##P < 0.01 vs. control 2