All-trans retinoic acid alleviates transmissible gastroenteritis virus-induced intestinal inflammation and barrier dysfunction in weaned piglets

Table 1 Composition and nutrient levels of the basal diet (as-fed basis)

Ingredients	Content, %	Nutrient level³	Content, %
Maize	30.80	Digestible energy, MJ/kg	14.73
Extruded maize	30.00	Crude protein	18.26
Soybean meal	9.00	Calcium	0.76
Extruded soybean	8.50	Total phosphorus	0.57
Soybean protein concentrate	5.20	Available phosphorus	0.39
Sucrose	2.00	Digestible Lysine	1.39
Soybean oil	1.70	Digestible Methionine	0.45
Fish meal	4.00	Digestible Threonine	0.78
Whey powder	6.00	Digestible Tryptophan	0.22
L-Lysine-HCl (78%)	0.45
DL-Methionine (98%)	0.14
L-Threonine (98%)	0.04
L-Tryptophan (98%)	0.02
CaCO₃	0.75
CaHPO₄	0.50
Choline chloride	0.15
NaCl	0.20
Benzoic acid	0.30
Vitamin premix¹	0.05
Mineral premix²	0.20
Total	100.00

¹Vitamin premix provided the following per kg of diets: Vitamin D₃, 3,000 IU; Vitamin E, 60 IU; Vitamin K₃, 4.0 mg; Vitamin B₁, 4.0 mg; Vitamin B₂, 8.0 mg; Vitamin B₆, 6.0 mg; Vitamin B₁₂, 0.06 mg; Biotin, 0.3 mg; Niacin, 50 mg; Pantothenic, 30 mg; Folic acid, 2.0 mg
²Mineral premix provided the following per kg of diets: Fe (FeSO₄·H₂O), 100 mg; Cu (CuSO₄·5H₂O), 120 mg; Mn (MnSO₄·H₂O), 20 mg; I (KI), 0.3 mg; Zn (ZnSO₄·H₂O), 100 mg; Se (Na₂SeO₃), 0.3 mg
³Nutrient levels were calculated values

ISSN: 2049-1891