Quercetin Improving Lipid Metabolism by Regulating Lipid Metabolism Pathway of Ileum Mucosa in Broilers

Table 1

Analysis composition of basal diets and nutrient level (air-dry basis, %).

Item	Content (1 to 3 week)	Content (4 to 6 week)
Ingredient
Corn	57.50	62.30
Soybean meal	34.50	30.00
Vegetable oil	3.00	3.00
Fish meal	1.00	1.00
Methionine	0.20	0.20
Dicalcium phosphate	1.62	1.67
Limestone	1.55	1.20
Sodium chloride	0.30	0.30
Multivitamin premix^1	0.03	0.03
Mineral premix^1	0.20	0.20
Choline	0.10	0.10
Total	100.00	100.00
Nutrient^2
Metabolizable energy (ME) (MJ/kg)	12.33	12.50
CP	21.75	19.72
Total lysine (%)	1.18	1.04
Methionine (%)	0.91	0.86
Ca	1.07	0.96
Total P	0.70	0.68
Available P	0.46	0.45

¹Amount provided per kilogram of diet: vitamin A = 1,500 IU; vitamin D₃ = 3,200 IU; vitamin E = 10 IU; vitamin K = 0.5 mg; vitamin B₁ = 1.8 mg; vitamin B₂ = 3.6 mg; vitamin B₆ = 3.5 mg; vitamin B₁₂ = 0.01 mg; biotin = 0.15 mg; folic acid = 0.55 mg; niacin = 30 mg; pantothenic acid = 10 mg; Cu (CuSO₄·5H₂O) = 8 mg; I (KI) = 0.35 mg; Fe (FeSO₄·7H₂O) = 80 mg; Mn (MnSO₄·H₂O) = 60 mg; Se (NaSeO₃) = 0.15 mg; Zn (ZnO) = 40 mg. ²Based on composition of ingredients provided by NY/T33-2004.