Table 2. Formulation and proximate composition of the basal diet (dry matter)

Ingredient¹⁾ (g/kg)	Dietary vitamin E levels (mg/kg)
Ingredient¹⁾ (g/kg)	2.31	117.25	189.03	382.10	758.54	1,437.32
Fish meal (defatted)²⁾	430	430	430	430	430	430
Soybean meal	190	190	190	190	190	190
Wheat meal	100	100	100	100	100	100
Wheat flour	30	30	30	30	30	30
Fish oil-vitamin E free	57	57	57	57	57	57
Vitamin/Mineral³⁾	36	36	36	36	36	36
Wheat gluten	140	140	140	140	140	140
Soy lecithin (70%)	12	12	12	12	12	12
Monocalcium phosphate	3	3	3	3	3	3
Choline	2	2	2	2	2	2
α-tocopherol acetate	0	100	200	400	800	1,600
Proximate composition (%)
Crude protein	46.94	47.65	47.88	47.53	47.31	46.27
Crude lipid	10.6	10.85	10.9	10.73	10.68	10.41
Vitamin E level	2.31	117.25	189.03	382.10	758.54	1,437.32

Supplied by Long Sinh Feed Company, Khanh Hoa, Viet Nam.
provided by T.C. Union, Tien Giang, Vietnam
Vitamin premix: Vitamin A, 1,000, 000 UI; Vitamin D3, 300.000 IU, Vitamin C monophosphate 10.000 mg; Vitamin B6, 500 mg; Vitamin B2, 320 mg; Vitamin B12, 5 mg (Provimi Vietnam, Bien Hoa City, Vietnam). Mineral premix: Zn (ZnO), 4.750 mg; Mn (MnSO₄.H₂O), 1.900 mg; Mg (MgO), 1.050 mg; Ca (CaHPO₄.2H₂O), 0.8%; Co (CoCO₃), 47.5 mg; Se (Na2SeO₂), 47.5 mg (Provimi Vietnam).