Table 2.

Basic diet compositions and nutritional levels.

Basic diet composition (%)
Raw material	Control group	Test I	Test II	Raw material price (RMB/kg)
Corn	63.50	68.00	72.00	1.96
Soybean meal	18.30	12.90	7.20	3.36
Wheat bran	5.00	5.00	5.00	1.64
Alfalfa meal	5.00	6.50	9.00	1.40
Bentonite	4.00	2.90	1.60	0.43
Soybean oil	1.50	1.70	2.00	6.35
Compound enzyme preparation	0.10	0.10	0.10	15.00
Lys (98%)	0.09	0.23	0.37	8.60
Met (98%)	—	0.03	0.05	20.55
Thr (98%)	—	0.08	0.15	11.00
Trp (98%)	—	0.03	0.05	86.00
CaCO3	0.51	0.46	0.30	0.19
Ca(HCO3)2	1.15	1.22	1.33	2.08
0.5% fattening pig core feed ①	0.50	0.50	0.50	5.80
Feed grade sodium chloride	0.35	0.35	0.35	0.56
Sum	100.00	100.00	100.00	—
Recipe cost (Yuan/kg)	2,202.519	2,192.415	2,170.789	—
Comparison with control group formulation cost	0	–10.10	–31.73	—