Table 1.

The ingredients and nutrient levels of the basal diets applied in this study (as-fed basis).

Items (% Unless Noted)	Contents
Ingredients
Corn	54.4
Soybean meal	23.6
Extruded full-fat soybean	5
Rice distiller’s grains	5
Soybean oil	2.2
Limestone	1.5
Fermented soybean meal	2.5
Corn protein meal	2.0
CaHPO4	2.0
NaCl	0.3
Premix (1)	1.5
Total	100.00
Nutrient levels
ME (2) (kcal/kg)	2983
CP	20.4
Lys	1.18
Met	0.55
Met+Cys	0.90
Try	0.22
Thr	0.88
Ca	0.86
TP (3)	0.70
Non-phosphate	0.43

⁽¹⁾ The premix provided the following per kg of diet: VA 10,000 IU, VB₁ 1.5 mg, VB₂ 3.5 mg, VB₆ 3 mg, VB₁₂ 10 μg, VD₃ 2500 IU, VE 20 mg, VK 3.5 mg, biotin 0.15 mg, folic acid 1.0 mg, D-pantothenic acid 10 mg, nicotinic acid 30 mg, choline chloride 1000 mg, Cu (as copper sulfate) 8 mg, Fe (as ferrous sulfate) 80 mg, Mn (as manganese sulfate) 60 mg, Zn (as zinc sulfate) 60 mg, I (as potassium iodide) 0.18 mg, Se (as sodium selenite) 0.15 mg; ⁽²⁾ ME was a calculated value, while the others were measured values; ⁽³⁾ TP: total phosphate.