Dietary bamboo leaf flavonoids improve quality and microstructure of broiler meat by changing untargeted metabolome

Table 1 Composition and nutrient levels of the basal experimental diet (air-dry basis)

Items	Ages, d
Items	1–21	22–42
Ingredients, %
Corn	56.33	57.4
Soybean meal	24.5	19
Extruded soybean	5	4
Corn distillers dried grains with solubles	5	8
Corn gluten meal	2	3
Soybean oil	1.2	4.3
Limestone	1.3	1.3
Fermented soybean meal	1.67	0
Premix^a^,^b	3	3
Total, %	100.00	100.00
Nutrient levels
Metabolizable energy, MJ/kg	12.34	13.17
Crude protein, %	20.6	18.6
Crude fat, %	4.9	8.0
Lysine, %	1.17	0.99
Methionine + Cysteine, %	1.45	1.23
Threonine + Tryptophan, %	1.13	0.95
Calcium, %	0.88	0.79
Total phosphorus, %	0.64	0.56

^aMinimal vitamin levels per kg of diets: vitamin A (retinyl acetate), 1500 IU; cholecalciferol, 200 IU; vitamin E (DL-α-tocopheryl acetate), 10 IU; riboflavin, 3.5 mg; pantothenic acid, 10 mg; niacin, 30 mg; cobalamin, 10 μg; choline chloride, 1,000 mg; biotin, 0.15 mg; folic acid, 0.5 mg; thiamine 1.5 mg; pyridoxine 3.0 mg
^bMinimal mineral levels per kg of diet: Fe 80.00 mg; Cu 8.00 mg; Mn 60.00 mg; Zn 40.00 mg; I 0.18 mg; Se 0.15 mg

ISSN: 2049-1891