Table 1.

Ingredients and nutrient levels of experimental diets (%, as-fed basis).¹

Item	Mulberry inclusion level, %
	0	3	6	9	12
Ingredients
Corn	67.52	66.77	65.65	64.72	63.80
Soybean meal	18.00	17.33	16.50	15.73	14.90
Wheat bran	12.00	10.50	9.60	8.40	7.29
Mulberry powder	0.00	3.00	6.00	9.00	12.00
CaHPO4	0.50	0.60	0.60	0.65	0.66
CaCO3	0.68	0.50	0.35	0.20	0.05
Salt	0.30	0.30	0.30	0.30	0.30
Premix2	1.00	1.00	1.00	1.00	1.00
Total	100.00	100.00	100.00	100.00	100.00
Chemical composition
Digestible energy, MJ/kg	13.72	13.74	13.73	13.73	13.73
Crude protein	14.45	14.47	14.47	14.47	14.45
Crude fiber	2.34	3.01	3.53	4.01	4.34
Total calcium	0.55	0.56	0.55	0.56	0.56
Total phosphorus	0.47	0.48	0.48	0.48	0.48
Available phosphorus	0.20	0.21	0.21	0.22	0.22
Fatty acids composition (% of total fatty acids)
C14:0	0.64	0.57	0.51	0.46	0.41
C16:0	22.12	22.57	22.18	22.19	23.40
C16:1	0.11	0.15	0.11	0.14	0.10
C17:0	0.19	0.20	0.24	0.18	0.25
C18:0	10.06	10.03	9.46	9.16	10.09
C18:1	1.44	1.40	1.37	1.36	1.34
C18:2	60.69	57.32	57.84	58.12	54.40
C18:3	0.20	0.21	0.28	0.16	0.20
C20:0	0.44	0.43	0.52	0.59	0.61
C20:1	4.12	7.12	7.49	7.63	9.18

¹Basal diet formulated according to the Chinese National Feeding Standard of Swine.

²Supplied the following per kilogram of diet: 19.8 mg CuSO₄·5H₂O; 0.20 mg KI; 400 mg FeSO₄·7H₂O; 0.56 mg NaSeO₃; 359 mg ZnSO₄·7H₂O; 10.2 mg MnSO₄·H₂O; 5 mg vitamin K (menadione); 2 mg vitamin B₁; 15 mg vitamin B₂; 30 μg vitamin B₁₂; 5,400 IU vitamin A; 110 IU vitamin D₃; 18 IU vitamin E; 80 mg choline chloride.