Table 2.

Chemical analysis of the experimental diets.

Ingredient	Soybean meal (SBM) replacement, % (HK-LP Prep., %)
	SBM0	SBM15	SBM15(0.1)	SBM30	SBM30(0.1)	SBM45	SBM45(0.1)
Proximate composition (%, dry matter basis)
Crude protein	50.81	50.47	50.34	50.15	50.74	51.38	50.82
Total lipid	11.85	12.29	11.93	12.74	12.71	12.66	12.30
Ash	11.10	10.78	11.41	11.50	11.54	11.37	11.82
Gross energy (KJ g−1)1	19.75	19.92	19.63	19.84	19.91	19.95	19.76
Amino acid profiles (AA g 100 g−1 diet, dry matter basis)
Arginine	2.81	2.94	2.86	3.02	2.93	3.17	3.01
Histidine	1.42	1.23	1.35	1.36	1.47	1.54	1.39
Isoleucine	2.26	2.24	2.04	2.38	2.18	2.27	2.47
Leucine	3.97	3.74	3.94	3.64	3.84	3.45	3.85
Lysine	3.91	3.81	3.61	3.75	3.66	3.89	3.59
Methionine	1.77	1.60	1.54	1.39	1.59	1.54	1.24
Phenylalanine	2.01	2.07	2.17	2.10	2.21	2.18	2.18
Threonine	2.18	2.26	2.26	2.11	2.11	2.01	2.29
Valine	2.55	2.76	2.66	2.52	2.62	2.46	2.36
ΣIDAA2	22.86	22.64	22.42	22.27	22.61	22.50	22.37

¹Calculated using combustion values for protein, lipid, and carbohydrate of 23.6, 39.5, and 17.2 kJ g⁻¹, respectively. Carbohydrate was calculated by the difference: 100 − (protein + lipid + ash + moisture).

²ΣIDAA: total indispensable amino acid contents.