Table 2.

Metabolizable energy and nutrient composition (% as fed-basis, unless otherwise indicated) of the experimental diets.

Item	Starter I	Starter II		Grower		Prebreeder
		CTR	FBR	CTR	FBR	CTR	FBR
AMEn, kcal/kg	2,824	2,804	2,399	2,600	2,240	2,700	2,295
Nutrient composition
Dry matter1	87.7	88.0	87.8	88.5	87.4	88.4	88.1
Crude protein1	17.9	18.3	15.7	13.1	11.8	13.8	11.8
dig Lys	0.95	0.96	0.81	0.54	0.43	0.54	0.43
dig Met	0.47	0.48	0.40	0.34	0.28	0.33	0.27
dig M + C	0.74	0.76	0.63	0.56	0.45	0.56	0.45
dig Thre	0.64	0.67	0.56	0.46	0.37	0.43	0.34
dig Trp	0.20	0.20	0.16	0.14	0.11	0.15	0.11
Crude fiber1	4.5	3.2	8.1	7.2	8.8	5.0	7.5
Neutral detergent fiber1	11.6	10.3	17.6	17.5	19.9	12.2	18.4
Acid detergent fiber1	5.0	3.7	8.2	7.9	9.2	5.2	8.0
Acid detergent lignin1	0.93	0.76	2.42	2.34	2.56	1.60	2.64
Crude fat1	4.2	2.5	2.9	3.2	2.3	2.7	2.4
Ash1	6.4	5.9	6.4	5.7	6.1	6.4	6.5
Ca	1.06	1.00	0.88	0.90	0.78	1.22	1.02
dig P	0.48	0.45	0.40	0.42	0.35	0.36	0.29
Phytate	0.99	0.93	1.30	1.29	1.14	1.08	1.18
Vitamin C, mg/kg1	117.0
Vitamin C, mg/kg C+1,2		134.0	164.0	152.0	131.5	150.0	116.5
Vitamin C, mg/kg C−1,3		<5	<5	<5	<5	<5	<5

Abbreviations: CTR, control diet; FBR, fibrous diet.

¹Analyzed values.

²C+: Diets vitamin C supplemented.

³C−: Diets not vitamin C supplemented.