Table S1: Composition and nutrient levels of basal diets (air-dry basis).

Ingredients

Content

Corn

51.90%

Wheat

16.00%

Soybeanmeal

16.00%

Fish meal

6.50%

Corn gluten meal

2.00%

Whey powder

2.00%

Soybean oil

2.00%

Limestone

0.70%

CaHPO4

1.00%

NaCl

0.30%

Premix1

1.60%

Total

100%

Metabolic energy2

14.32 MJ/kg

Crude protein2

20.02%

Calcium2

0.72%

Phosphate2

0.56%

Lysine2

1.35%

Methionine2

0.40%

Threonine2

0.82%

1 Premix provided the following per kilogram of diet: VA 9 000 IU, VD3 2 500 IU, VE 60 IU, VK3 4.5 mg, VB1 2.6 mg, VB28.7 mg, VB67.0 mg, VB12 0.03 mg, pantothenic acid 13 mg, nicotinic acid 35 mg, biotin 0.47 mg, folic acid 0.85 mg, Fe 155 mg as iron sulphate, Cu 8.8 mg as copper oxide, Zn 100 mg as zinc oxide, Mn 40 mg as manganous oxide, I 0.35 mg as ethylenediamine dihydroiodide, Se 0.25 mg as sodium selenite, choline chloride 750 mg, phytase 500 FTU.
2 Calculated Nutrient level values.