Table 1.
Ingredient and nutrient composition of basal diet
| Ingredients, % | Prestarter | Starter | Grower | Finisher1 |
|---|---|---|---|---|
| Corn | 50 | 58.0 | 60.0 | 48.0 |
| Rice bran | – | 10.0 | 12.0 | 32.1 |
| Soybean meal (47.5% CP) |
15.0 | 13.5 | 19.5 | 12.0 |
| Fermented soybean meal | 14.2 | 10.4 | – | – |
| Whey powder | 12.8 | – | – | – |
| Soybean oil | 3.30 | 3.40 | 4.60 | 4.10 |
| Premix2,3 | 0.25 | 0.25 | 0.25 | 0.25 |
| Salt | 0.32 | 0.46 | 0.46 | 0.43 |
| Limestone | 0.20 | 0.78 | 0.49 | 0.59 |
| Dicalcium phosphate | 3.30 | 2.40 | 2.10 | 1.80 |
| L-Lys | 0.28 | 0.30 | 0.31 | 0.37 |
| DL-Met | 0.31 | 0.30 | 0.12 | 0.12 |
| L-Thr | 0.16 | 0.18 | 0.15 | 0.20 |
| L-Trp | 0.02 | 0.03 | 0.01 | 0.03 |
| Calculated nutrient | ||||
| ME, Kcal/kg | 3360 | 3295 | 3295 | 3200 |
| CP, % | 21.0 (20.3)a | 18.0 (18.5) | 16.0 (15.4) | 14.0 (13.3) (14.2) |
| Crude fat, % | 6.62 | 7.27 | 6.15 | 6.7 |
| Crude fiber, % | 2.25 | 3.23 | 3.93 | 4.39 |
| Salt, % | 0.5 | 0.5 | 0.5 | 0.5 |
| Ca, % | 1.0 | 0.9 | 0.7 | 0.7 |
| Total, % | 0.8 | 0.67 | 0.55 | 0.55 |
| Available P, % | 0.6 | 0.44 | 0.35 | 0.35 |
| AA total basis, % | ||||
| Lys | 1.34 (1.15)a | 1.05 (1.16) | 0.91 (0.98) | 0.79 (0.93) (0.81) |
| Met | 0.48 (0.33) | 0.37 (0.51) | 0.36 (0.31) | 0.29 (0.34) (0.31) |
| Met + Cys | 0.83 (0.85) | 0.67 (0.81) | 0.59 (0.58) | 0.53 (0.59) (0.55) |
| Thr | 0.90 (0.83) | 0.73 (0.82) | 0.63 (0.65) | 0.57 (0.57) (0.56) |
| Trp | 0.30 | 0.22 | 0.18 | 0.17 (0.18) (0.19) |
| Val | 0.91 (0.92) | 0.81 (0.88) | 0.72 (0.72) | 0.64 (0.65) (0.67) |
| Arg | 1.19 (1.26) | 1.05 (1.20) | 0.93 (1.00) | 0.71 (0.91) (0.74) |
| Ile | 0.83 (0.81) | 0.72 (0.71) | 0.64 (0.61) | 0.54 (0.51) (0.55) |
| AA SID basis, % | ||||
| Lys | 1.18 | 0.92 | 0.80 | 0.69 |
| Met | 0.39 | 0.31 | 0.27 | 0.24 |
| Met + Cys | 0.71 | 0.57 | 0.50 | 0.43 |
| Thr | 0.74 | 0.60 | 0.52 | 0.46 |
| Trp | 0.26 | 0.18 | 0.16 | 0.14 |
| Val | 0.80 | 0.63 | 0.54 | 0.47 |
| Arg | 1.06 | 0.93 | 0.83 | 0.63 |
| Ile | 0.73 | 0.63 | 0.56 | 0.47 |
aFigures in parentheses are analyzed values.
1Basal diet for Exp 1 and Exp 2.
2For prestarter and, starter diets: the vitamin-micromineral premix contained the following (per kg of the premix): vitamin A, 5,000 IU; vitamin D3, 800 IU; vitamin E, 30,000 mg; vitamin K 3,200 mg; riboflavin 4,000 mg; vitamin B3, 20,000 mg; vitamin B6, 2,000 mg; vitamin B12, 16,000 mcg; pantothenic acid, 14,000 mg; Cu, 6,600 mg; Fe, 15,000 mg; manganese, 6,000; selenium, 36 mg; zinc, 18,000 mg.
3For grower and finisher diets: the vitamin-micromineral premix contained the following (per kg of the premix): vitamin A, 4,000 IU; vitamin D3, 800 IU; vitamin E, 20,000 mg; vitamin K 3,200 mg; riboflavin 4,000 mg; vitamin B3, 20,000 mg; vitamin B6, 2,000 mg; vitamin B12, 16,000 mcg; pantothenic acid, 14,000 mg; Cu, 6,600 mg; Fe, 15,000 mg; manganese, 4,800; selenium, 36 mg; zinc, 12,000 mg.