Table 7.

Effects of different levels of capsaicin on the liver index and the length of the small intestine of broilers.

Item	Control	Dietary capsaicin level (mg/kg)			SEM	P -value
		2	4	5		ANOVA	Linear	Quadratic
21 d
Liver weight/BW(g/kg)	25.39b	29.37a	28.21ab	28.49ab	0.524	0.034	0.064	0.060
Length of jejunum (cm)	51.75	53.23	54.76	53.41	0.810	0.650	0.386	0.401
Length of ileum (cm)	40.28	40.10	43.60	42.61	0.905	0.449	0.207	0.825
42 d
Liver weight/BW(g/kg)	24.56	23.56	25.01	22.94	0.584	0.607	0.527	0.654
Length of jejunum (cm)	65.13b	74.63ab	79.00a	68.88ab	1.659	0.010	0.231	0.002
Length of ileum (cm)	47.00ab	51.50ab	53.00a	45.63b	0.965	0.011	0.728	0.001

Values are presented as the mean with SEM (n = 8). Means with unlike superscript letters in the same row are significantly different (P < 0.05).