Table 1. Ingredient and nutrient composition of basal diets for the starter (d 0-10), grower (d 11-25), and finisher (d 25-42) phases¹⁾

Item	Strater	Grower	Finisher
Ingredient (g/kg)
Corn	565.0	585.8	635.0
Soybean meal	372.4	348.2	295.2
Corn oil	16.6	27.8	33.9
Dicalcium phosphate	18.3	16.3	14.6
Limestone	8.7	7.8	7.4
Sodium chloride	3.0	3.0	3.0
Sodium bicarbonate	1.0	1.0	1.0
L-Lysine-HCl	2.3	1.5	1.6
dl -Methionine	3.4	2.8	2.6
L-Threonine	1.3	0.8	0.7
Vitamin and mineral premix2)	5.0	5.0	5.0
Calculated nutrient composition (g/kg)
ME (kcal/kg)	2,900	3,000	3,100
Crude protein	220	208	189
Calcium	9.3	8.4	7.8
Available phosphorus	4.6	4.2	3.8
Sodium	1.6	1.6	1.6
Lysine	12.4	11.1	10.0
Methionine	6.3	5.6	5.2
Methionine+cystine	9.2	8.4	7.8
Threonine	8.3	7.5	6.7
Arginine	10.3	10.2	10.1

The basal diet was supplemented with guanidinoacetic acid (GAA) at 1.2 g/kg of diet to make the respective experimental diets (Zaboli and Rahmatnejad, 2024).
Suppliedas retinyl acetate, 9,000 IU; cholecalciferol, 2,000 IU; dl-α-tocopherylacetate, 12.5 IU; menadione sodium bisulfite, 1.76 mg; choline chloride, 320 mg; nicotinic acid, 28 mg; calcium d-pantothenate, 6.4 mg; riboflavin, 3.2 mg; pyridoxine, 1.97 mg; thiamine, 1.2 mg; folic acid, 0.38 mg; biotin, 0.12 mg; cyanocobalamin, 0.01 mg; FeSO₄·7H₂O, 80 mg; MnSO₄·H₂O, 60 mg; ZnO, 51.74 mg; CuSO₄·5H₂O, 8 mg; iodized NaCl, 0.8 mg; Na₂SeO₃, 0.2 mg/kg ofdiet.