Table 4
Standardized ileal digestibility of protein sources in pigs

Item (%)	Soybean meal	Rapeseed meal	Canola meal	SEM1	p-value
Dietary indispensable amino acids
Arginine	87.00	88.66	92.02	1.27	0.055
Histidine	89.55	90.16	90.42	1.22	0.877
Isoleucine	89.15	90.54	90.82	2.35	0.867
Leucine	86.59	88.23	87.77	0.82	0.380
Lysine	84.67	83.88	84.60	1.54	0.924
Methionine	87.69	83.97	85.66	1.27	0.171
Phenylalanine	86.57	87.74	88.81	1.02	0.343
Threonine	83.87	84.93	86.57	1.00	0.211
Tryptophan	85.79	91.77	91.69	2.09	0.121
Valine	81.38	82.72	82.56	1.80	0.850
Dietary dispensable amino acids
Alanine	80.48	81.22	81.82	0.86	0.567
Aspartic acid	80.02b	85.65a	84.56a	1.30	0.031
Cystine	82.73	78.54	79.57	2.70	0.542
Glutamic acid	83.91	82.61	85.03	0.76	0.135
Glycine	90.05	91.32	90.97	0.95	0.632
Proline	86.35a	84.52b	85.74ab	0.43	0.038
Serine	83.16	86.82	85.56	1.12	0.116
Tyrosine	86.01	90.74	90.40	3.15	0.520