Table 4.

Analyzed chemical composition of experiment diets (air-dry basis, %).

	Rapeseed Cake Diet										Mean	CV (%)	N-Free Diet
Items	1	2	3	4	5	6	7	8	9	10
DM,%	90.85	90.20	90.61	90.36	92.34	91.11	92.89	92.46	90.89	91.30	91.30	1.03	90.28
CP,%	17.71	12.94	14.04	14.19	13.88	14.18	12.82	14.21	13.52	11.59	13.91	11.33	1.45
Essential amino acids, %
Arginine	1.15	0.80	1.00	0.99	0.97	0.84	0.89	0.96	0.96	0.67	0.92	14.00	-
Histidine	0.72	0.60	0.65	0.62	0.62	0.61	0.59	0.62	0.64	0.44	0.61	11.52	-
Isoleucine	1.05	0.61	0.62	0.83	0.61	0.79	0.79	0.78	0.78	0.45	0.73	22.69	-
Leucine	0.92	0.90	0.94	0.93	0.92	0.91	0.86	0.88	0.91	0.77	0.89	5.68	-
Lysine	0.89	0.48	0.75	0.81	0.84	0.78	0.47	0.56	0.67	0.80	0.70	21.43	-
Methionine	0.36	0.29	0.30	0.29	0.30	0.36	0.32	0.51	0.28	0.32	0.33	20.46	-
Phenylalanine	0.78	0.63	0.67	0.47	0.65	0.48	0.44	0.45	0.43	0.57	0.56	21.60	-
Threonine	0.79	0.65	0.65	0.63	0.68	0.64	0.56	0.62	0.62	0.46	0.63	13.13	-
Tryptophan	0.15	0.12	0.10	0.11	0.11	0.11	0.14	0.14	0.10	0.13	0.12	13.57	-
Valine	1.08	0.89	0.92	0.83	0.90	0.88	0.69	1.11	0.90	0.72	0.89	14.72	-
Non-essential amino acids, %													-
Alanine	0.86	0.65	0.65	0.66	0.63	0.68	0.60	0.63	0.62	0.49	0.65	14.02	-
Aspartate	1.28	0.94	1.04	0.97	0.97	0.97	0.90	0.96	0.96	0.76	0.98	13.05	-
Cystine	0.46	0.41	0.43	0.40	0.48	0.65	0.42	0.45	0.44	0.39	0.45	16.38	0.08
Glutamine	3.40	2.30	2.64	2.48	2.59	2.36	2.26	2.31	2.41	2.08	2.48	14.48	-
Glycine	0.91	0.65	0.68	0.66	0.67	0.67	0.61	0.64	0.65	0.56	0.67	13.47	-
Proline	0.91	0.72	0.74	1.51	0.82	1.22	1.32	1.44	0.87	0.75	1.03	30.20	0.51
Serine	0.89	0.61	0.64	0.62	0.63	0.63	0.54	0.63	0.63	0.89	0.67	17.53	-
Tyrosine	0.74	0.51	0.56	0.50	0.55	0.53	0.48	0.53	0.52	0.29	0.52	21.18	-

DM, dry matter; CP, crude protein; CV, coefficient of variation.