TABLE 1.
Composition of basal diets (as fed basis, %).
| Period (Days) | |||
| Ingredients (%) | Starter (0–14) | Grower (15–28) | Finisher (29–42) |
| Crumble | Pellet | Pellet | |
| Corn (7.81% CP) | 60.53 | 60.99 | 66.52 |
| Soybean meal (48% CP) | 32.95 | 32.55 | 27.22 |
| Poultry fat (9000 kcal/kg) | 1.80 | 2.38 | 2.46 |
| Dicalcium phosphate (18.5% P, 22% Ca) | 2.08 | 1.85 | 1.67 |
| Limestone (37% calcium) | 1.10 | 1.00 | 0.91 |
| Sodium chloride | 0.38 | 0.40 | 0.44 |
| DL-methionine (990 g/kg)1 | 0.38 | 0.30 | 0.27 |
| L-lysine hydrochloride (788 g L-lysine/kg)2 | 0.37 | 0.22 | 0.20 |
| L-threonine (985 g/kg)3 | 0.16 | 0.08 | 0.08 |
| Choline chloride (60%) | 0.10 | 0.08 | 0.08 |
| Vitamin/trace mineral premix4 | 0.15 | 0.15 | 0.15 |
| Calculated analysis (% unless specified) | |||
| ME (kCal/kg) | 2994 | 3038 | 3108 |
| Crude protein | 21.71 | 21.30 | 19.18 |
| Total phosphorus | 0.77 | 0.71 | 0.66 |
| Available phosphorus | 0.45 | 0.42 | 0.38 |
| Calcium | 0.90 | 0.84 | 0.75 |
| Chlorine | 0.33 | 0.32 | 0.34 |
| Sodium | 0.16 | 0.17 | 0.19 |
| Potassium | 0.84 | 0.83 | 0.74 |
| Methionine | 0.67 | 0.59 | 0.54 |
| Methionine + cysteine | 0.98 | 0.89 | 0.82 |
| Lysine | 1.32 | 1.18 | 1.04 |
| Threonine | 0.86 | 0.78 | 0.70 |
| Linoleic acid | 1.46 | 1.47 | 1.57 |
| Dietary cation-anion balance | 192 | 196 | 176 |
1Rhodimet NP9, ADISSEO, GA, United States.
2L-Lysine HCl, AJINOMOTO HEARTLAND, INC., Eddyville, IA, United States.
3FENCHEM Ingredient Technology, Nanjing, China.
4Vitamins supplied per kg diet: retinol 3.33 mg, cholecalciferol 0.1 mg, α-tocopherol acetate 23.4 mg, vitamin K3 1.2 mg, vitamin B1 1.6 mg, vitamin B2 9.5 mg, niacin 40 mg, pantothenic acid 9.5 mg, vitamin B6 2 mg, folic acid 1 mg, vitamin B12 0.016 mg, biotin 0.05 mg, and choline 556 mg. Minerals supplied per kg diet: Mn 144 mg, Fe 72 mg, Zn 144 mg, Cu 16.2 mg, I 2.1 mg, and Se 0.22 mg.