Table 6.

The effect of sulfur amino acids (SAA) supplementation on FITC-d in the serum (measured 2 h after daily heat exposure on d 28 and 35) of broilers exposed to heat stress from 28 to 35 d of age.¹

Temperature2	Diet	FITC-d concentration
		28 d	31 d	35 d
		______________________________ ng/mL _____________________________
TN		113	110b	117
HS		142	116a	121
Pooled SEM		6	2	3
	Normal DSAA	135	113	119
	130% DSAA	119	112	118
Pooled SEM		6	2	3
P Valuec
Temperature		≤ 0.01	0.05	0.34
Diet	0.05	0.67	0.81
Temperature × Diet	0.05	0.73	0.87

¹Values are means from one bird per pen from 9 replicate pens from each interaction or 18 per main effect.

²TN = continuous 22 to 24°C; HS received 33°C for 6 h and 27.7°C for the remaining 18 h daily.

^a-bValues in a column without common superscript letter are different (P ≤ 0.05).

^cBoldface indicates significant P-value.