Table 2. Nutritional levels of experimental diets.

Nutrients	D1	D2	D3	D4	D5	D6	D7
MEna, MJ/kg	12.55	12.55	12.55	12.55	12.55	12.55	12.55
Crude protein, g/kg	170.00	170.00	170.00	170.00	170.00	170.00	170.00
Lysine, g/kg	10.45	10.45	10.45	10.45	10.45	10.45	10.45
Methionine + Cystine, g/kg	8.57	8.57	8.57	8.57	8.57	8.57	8.57
Threonine, g/kg	6.27	6.27	6.27	6.27	6.27	6.27	6.27
Tryptophan, g/kg	2.20	2.20	2.20	2.20	2.20	2.20	2.20
Glycine + Serine, g/kg	12.51	12.51	12.51	12.51	12.51	12.51	12.51
Valine, g/kg	7.84	7.84	7.84	7.84	7.84	7.84	7.84
Isoleucine, g/kg	6.79	6.79	6.79	6.79	6.79	6.79	6.79
Leucine, g/kg	15.68	15.68	15.68	15.68	15.68	15.68	15.68
Histidine, g/kg	4.39	4.39	4.39	4.39	4.39	4.39	4.39
Phenylalanine + Tyrosine, g/kg	14.81	14.81	14.81	14.81	14.81	14.81	14.81
Potassium, g/kg	6.00	6.00	6.00	6.00	6.00	6.00	6.00
Sodium, g/kg	1.55	1.55	1.55	1.55	1.55	1.55	1.55
Calcium, g/kg	30.00	30.00	30.00	30.00	30.00	30.00	30.00
Non-phytate phosphorus, g/kg	3.23	3.23	3.23	3.23	3.23	3.23	3.23
Choline, mg/kg	1500.00	1500.00	1500.00	1500.00	1500.00	1500.00	1500.00
Linoleic acid, g/kg	22.84	23.50	24.14	24.84	29.85	28.92	28.93
Crude fiber, g/kg	10.94	12.93	14.92	16.93	22.68	23.00	22.42
Arginine, g/kg	2.45	3.64	4.85	6.07	9.7	12.13	14.56
Percentage in relation to BTPSb,c, %	20	30	40	50	80	100	120

Notes.

^aME_n, Metabolizable energy corrected for nitrogen balance.

^bPercentage obtained: [Arginine/12.13] × 100; 12.13 g/kg according to BTPS (Rostagno et al., 2011).

^cBTPS, Brazilian Tables for Poultry and Swine, Rostagno et al. (2011).