Dietary encapsulated essential oils and organic acids mixture improves gut health in broiler chickens challenged with necrotic enteritis

Table 1 Composition and nutrient levels of the experimental basal diet, on an as-fed basis unless stated otherwise, %

Items	1 to 21 d	22 to 42 d
Composition, %
Corn (CP 7.8%)	39.70	57.0
Wheat powder	0	5
Wheat	19.0	0
Soybean meal (CP 46.0%)	33.0	30.0
Soybean oil	4.00	4.40
Limestone-calcium carbonate	1.50	1.50
Calcium hydrogen phosphate	1.50	1.36
Phytase	0.02	0.03
DL-Methionine, 98%	0.27	0.19
L-Lysine HCl, 78%	0.20	0.11
Sodium chloride	0.30	0.30
Vitamin premix¹	0.03	0.03
Mineral premix²	0.20	0.20
Choline chloride, 50%	0.25	0.15
Ethoxyquin, 33%	0.05	0.03
Total	100	100
Calculated nutrient levels³
Metabolizable energy, kcal/kg	3015.55	3101.20
Crude protein, %	21.37	19.27
Calcium, %	0.99	0.93
Available phosphorus %	0.45	0.43
Lysine, %	1.20	1.05
Methionine, %	0.57	0.46
Methionine + Cysteine, %	0.90	0.78

¹Vitamin premix provided per kg of complete diet: vitamin A (retinyl acetate), 12,500 IU; vitamin D₃ (cholecalciferol), 2,500 IU; vitamin E (DL-a-tocopherol acetate), 30 IU; vitamin K₃ (menadione sodium bisulfate), 2.65 mg; vitamin B₁₂ (cyanocobalamin), 0.025 mg; biotin, 0.30 mg; folic acid, 1.25 mg; nicotinic acid, 50 mg; D-pantothenic acid, 12 mg; pyridoxine hydrochloride, 6.0 mg; riboflavin, 6.5 mg; thiamine mononitrate, 3.0 mg
²Mineral premix provided per kg of complete diet: iron, 80 mg; copper, 8 mg; manganese, 100 mg; zinc, 80 mg; iodine, 0.35 mg; selenium, 0.15 mg
³Calculated value based on analysis of the experimental diets

ISSN: 2049-1891