Influence of fermented feed additive on gut morphology, immune status, and microbiota in broilers

BMC Veterinary Research

Table 2 Test diet formula and nutritional level

Items	Starter diet	Grower diet
Ingredient%	0 ~ 21 d	21 ~ 42 d
Corn	56.59	59.96
Soybean meal	25.95	20
Cotton meal	4.5	4.42
Wheat meal	4	5
Wheat middlings	2	2
Oil	2.49	4.5
Calcium hydrogen phosphate	1.82	1.58
Mountain flour	1.35	1.27
Salt	0.35	0.35
Lysine	0.35	0.35
Methionine	0.23	0.21
Threonine	0.05	0.04
Premix of trace elements^a	0.2	0.2
Vitamin premix^b	0.02	0.02
Choline chloride	0.1	0.1
Total	100	100
Nutrition level ^c
Metabolizable energy (kcal/kg)	2980	3160
Crude protein (%)	21.95	19.95
Calcium (%)	1	0.9
Available phosphorus (%)	0.45	0.4
Lysine (%)	1.30	1.15
Methionine (%)	0.58	0.54
Methionine+Cystine(%)	0.94	0.87
Threonine (%)	0.84	0.75
Tryptophan (%)	0.23	0.2

Note: ^a Premix of trace elements (provides milligrams per kilogram of feed): Cu 8, Zn 75, Fe 80, Mn 100, Se 0.15, I 0.35
^bVitamin premix (provided per kilogram of feed): Vitamin A 12500 IU, Vitamin D3 2500 IU; The following are mg: Vitamin E 18.75, Vitamin K3 2.65, Vitamin B12, Vitamin B2 6, Vitamin B12 0.025, Biotin 0.0325, Folic acid 1.25, pantothenic acid 12, niacin 50
^c The results are calculated values

ISSN: 1746-6148