Table 4.

Effects of fiber level and vitamin C inclusion on carcass traits (% BW, oviduct: g/10 Kg BW) at 22 wk of age.

Effects	Carcass traits
	Breast muscle	Abdominal fat	Total digestive tract	Proventriculus + gizzard	Small intestine	Caecum + rectum	Oviduct
Fiber level
CTR	19.8	0.87	4.63	1.94	2.05	0.64	16.2
FBR	18.5	1.14	5.07	2.04	2.13	0.90	12.5
Vitamin C inclusion
C−	19.0	1.03	4.88	1.97	2.12	0.79	13.4
C+	19.3	0.98	4.81	2.02	2.08	0.74	15.3
SEM (n = 32)	0.23	0.082	0.081	0.033	0.042	0.041	2.12
P-values
Fiber level	0.001	0.031	0.001	0.035	0.136	<0.001	0.227
Vitamin C inclusion	0.345	0.601	0.526	0.368	0.265	0.343	0.536
Interaction	0.595	0.105	0.897	0.530	0.365	0.895	0.439

Abbreviations: C−, not vitamin C–supplemented diet; C+, vitamin C–supplemented diet; CTR, control diet; FBR, fibrous diet.

P < 0.05 was considered significant.