Table 1.
Basal diet compositions and nutritional profile (Exp. 1 and 2)
| Ingredients, % | Phase 1 | Phase 1 | Phase 3 |
|---|---|---|---|
| Corn | 46.78 | 55.64 | 68.61 |
| Soybean meal | 25.00 | 25.99 | 27.31 |
| Dried milk | 20.00 | 12.50 | 0.000 |
| Sugar | 3.00 | 1.50 | 0.00 |
| Spray dried porcine plasma | 2.00 | 1.00 | 0.00 |
| Dicalcium phosphate | 1.56 | 1.51 | 1.51 |
| Soybean oil | 0.00 | 0.00 | 0.73 |
| Limestone | 0.47 | 0.63 | 0.79 |
| Salt | 0.35 | 0.48 | 0.46 |
| Zinc oxide | 0.22 | 0.15 | 0.00 |
| L-Lysine HCl (78%) | 0.25 | 0.26 | 0.35 |
| L-Threonine (98%) | 0.08 | 0.07 | 0.09 |
| L-Triptophan (98%) | 0.00 | 0.00 | 0.01 |
| MHA1 | 0.17 | 0.13 | 0.12 |
| Halquinol | 0.02 | 0.02 | 0.02 |
| Amoxilin | 0.00 | 0.03 | 0.00 |
| Vitamin Premix2 | 0.15 | 0.15 | 0.15 |
| Mineral Premix3 | 0.10 | 0.10 | 0.10 |
| Filler4 | 0.10 | 0.10 | 0.10 |
| Calculated nutrientes5 | |||
| ME, kcal/kg | 3544 | 3405 | 3230 |
| CP, % | 21.50 | 20.20 | 18.20 |
| SID Met+Cys, % | 0.78 | 0.70 | 0.61 |
| SID Lysine, % | 1.40 | 1.25 | 1.09 |
| SID Threonine, % | 0.88 | 0.79 | 0.69 |
| SID Triptophan, % | 0.25 | 0.22 | 0.20 |
| SID Isoleucine, % | 0.86 | 0.79 | 0.68 |
| SID Valine, % | 1.02 | 0.91 | 0.75 |
| Ca, % | 0.85 | 0.82 | 0.77 |
| Available P, % | 0.50 | 0.45 | 0.38 |
1MHA is a calcium salt of 2-hydroxy-4-methylthio butanoic acid. MHA amount was adjusted and replaced by filler according to the treatments to keep diets iso-methionine.
2Composition kg−1: Niacin 20.000 mg; vitamin A 6.000.000 UI; vitamin B2 4.000 mg; biotin 80.00 mg; Folic acid 800 mg; tiamin 1.350 mg; vitamin B12 20.000 µg; vitamin K 1.500 mg; pantothenic acid 9.350 mg; vitamin E 15.000 mg; vitamin D3 1.500.000 UI; vitamin B6 2000 mg.
3 Composition kg−1: Selenium 300 mg; manganese 40.000 mg; copper 10.000 mg; iron 100.000 mg; cobalt 1000 mg; iodine 1.500 mg; zinc 100.000 mg.
4Filler was replaced by Cu Methionine Hydroxy Analogue Chelate (15%), Tribasic Cu Chloride (58%) or Cu sulfate (25%) according to treatments.
5Based on Rostagno (2011) values for feed ingredients and on NIRS analyses for corn and soybean meal.