Table 1.

Ingredients and nutrient composition of experimental diets (DM basis).

Item	Group
	1.37TM	1.77TM	2.17TM	2.57TM
Ingredients, %
Wheat	10.00	10.00	10.00	10.00
Corn starch	38.51	39.41	40.22	41.04
Extruded soybean	25.09	23.18	21.44	19.70
Cottonseed meal	5.00	5.00	5.00	5.00
Canola meal	6.00	6.00	6.00	6.00
Rapeseed meal	3.00	3.00	3.00	3.00
Rice bran	4.00	4.00	4.00	4.00
Fish meal	3.00	3.00	3.00	3.00
Salt	0.30	0.30	0.30	0.30
CaHPO4	1.51	1.55	1.58	1.61
Limestone	1.16	1.15	1.14	1.14
L-Lys	0.34	0.40	0.45	0.50
DL-Met	0.25	0.26	0.27	0.28
L-Thr	0.13	0.15	0.18	0.21
Cys	0.10	0.11	0.12	0.13
L-Try	0.01	0.02	0.03	0.04
Leu	0	0.50	0.95	1.41
Ile	0.26	0.29	0.32	0.35
Val	0.32	0.35	0.38	0.41
Gly	0.04	0.11	0.17	0.23
Tyr	0.01	0.04	0.06	0.09
His	0.01	0.03	0.05	0.07
Phe	0.02	0.06	0.09	0.12
Arg	0.03	0.08	0.12	0.17
Choline chloride	0.20	0.20	0.20	0.20
Multi-minerals1	0.04	0.04	0.04	0.04
Multi-vitamin1	0.10	0.10	0.10	0.10
Zeolite powder	0.57	0.67	0.79	0.86
Total	100.00	100.00	100.00	100.00
Nutrient composition2, %
ME, MJ/kg	12.34	12.34	12.34	12.34
CP	20.20	20.68	20.29	20.02
CF	5.83	5.50	5.20	4.90
Lys	1.30	1.54	1.36	1.38
Met	0.50	0.50	0.51	0.73
Thr	0.84	0.84	0.82	0.84
Try	0.23	0.22	0.21	0.22
Arg	1.19	1.21	1.20	1.21
Leu	1.33	1.74	2.15	2.58
Ile	0.94	0.93	0.94	0.99
Val	1.14	1.10	1.14	1.18
Ca	1.00	1.00	1.00	1.00
Available phosphorus	0.50	0.50	0.50	0.50

1.37TM = 1.37% leucine in the nutrient composition, etc; CF = crude fat.

¹Multi-minerals and multi-vitamin provided per kilogram of basal diets: VA 2, 500 IU, VD₃ 400 IU, VE 10 IU, VK₃ 0.5 mg, VB₁ 1.8 mg, VB₂ 4.0 mg, VB₆ 3.0 mg, VB₁₂ 710 μg, pantothenic acid 11 mg, nicotinic acid 55 mg, folic acid 0.5 mg, biotin 0.12 mg, Cu 8 mg, Fe 80 mg, Zn 40 mg, Mn 60 mg, Se 0.15 mg, I 0.35 mg.

²Values of ME, CF, Ca and available phosphorus were calculated and others were measured.