Table 6.

Effect of heat stress and RSV on organ index of 42-day-old broilers (d 14 of heat treatment).

	Dietary treatments				SEM	P -values
	NT	NT + RSV	HT	HT + RSV		P-RSV	P-stress	P-RSV × stress
Spleen, %	0.326	0.251	0.196	0.176	0.0193	0.511	0.096	0.743
Thymus, %	0.322	0.349	0.352	0.300	0.0107	0.796	0.204	0.064
Bursa of Fabricius, %	0.087	0.121	0.139	0.121	0.0121	0.861	0.173	0.504

Data are presented as mean ± SEM, n = 6. Values in the same row with different superscript are significantly different by one-way ANOVA. P-values (P-RSV, P-Stress, or P-RSV × Stress) ≤ 0.05 indicates RSV, heat stress, or the interaction between heat stress and RSV. RSV, resveratrol; NT, normal temperature; HT, heat stress.