Table 5.
Ingredients and chemical composition of control diets fed to nursery piglets (g/kg, as-fed basis).
| Itema | Phase 1 | Phase 2 |
|---|---|---|
| 21–32 days | 32–45 days | |
| Ground corn, 7.8% CP | 388.1 | 470.9 |
| Soybean meal, 46.0% CP | 219.7 | 242.2 |
| Dried whey, 12.5% CP | 150.0 | 100.0 |
| Soybean micronized, 36.0% CP | 100.0 | 70.0 |
| Extrude corn, 7.6% CP | 20.0 | 20.0 |
| Plasma protein, 78.0% CP | 20.0 | 10.0 |
| Sugar | 30.0 | 30.0 |
| Inert (kaolin) | 20.0 | 10.0 |
| Dicalcium phosphate | 9.35 | 10.6 |
| Limestone calcitic | 7.69 | 7.34 |
| Soybean oil | 15.93 | 11.1 |
| Zinc oxide | 2.50 | 2.20 |
| Choline chloride | 1.95 | 1.50 |
| L-lys, 78.0% | 4.69 | 4,45 |
| DL-met, 99.0% | 2.32 | 1.96 |
| L-thr, 98.5% | 2.30 | 2.14 |
| L-trp, 99.0% | 0.32 | 0.28 |
| L-val, 96.5% | 1.03 | 0.76 |
| Salt | 1.90 | 2.44 |
| Copper sulfate | 0.60 | 0.60 |
| Vitamin-mineral premixb | 1.40 | 1.40 |
| Phytasec | 0.05 | 0.05 |
| BHT | 0.10 | 0.10 |
| Calculated composition | ||
| ME, kcal/kg | 3400 | 3375 |
| Crude protein, g/kg | 213.00 | 213.00 |
| SIDd lys, g/kg | 14.50 | 13.46 |
| SID met, g/kg | 4.90 | 4.53 |
| SID met + cys, g/kg | 8.13 | 7.54 |
| SID thr, g/kg | 9.72 | 9.02 |
| SID trp, g/kg | 2.76 | 2.56 |
| SID val, g/kg | 10.01 | 9.29 |
| SID ile, g/kg | 8.01 | 7.70 |
| Total Ca, g/kg | 8.50 | 8.25 |
| Available P, g/kg | 5.19 | 5.00 |
| Total Na, g/kg | 2.80 | 2.30 |
| Lactose, g/kg | 112.50 | 75.00 |
aFeed additives were included as a replacement for the inert in the diet. Phase 1 (21 to 32 d) and phase 2(32 to 45 d), respectively: (1) CON: control, basal diet, (2) NUC: CON + 1 g/kg and 0.5 g/kg of nucleotides (Nucleobase 1.5, Aleris Animal Nutrition, Jundiaí, SP, Brazil), (3) YSC: CON + 20 g/kg and 10 g/kg of lysed yeast S. cerevisiae (Sinergis, Aleris Animal Nutrition, Brazil), (4) ASB: CON + 1.5 g/kg and 1 g/kg of acidifier sodium butyrate (Nuttritiva B90CNa, Additiva Nutrition, Monte Alegre do Sul, SP, Brazil).
bComposition per kg of diet: vitamin A, 12,000 IU; vitamin D3, 2,250 IU; vitamin E, 65 IU; vitamin K, 3 mg; thiamine, 2.25 mg; riboflavin, 6 mg; pyridoxine, 2.25 mg; vitamin B12, 27 mcg; folic acid, 400 mcg; biotin, 150 mcg; pantothenic acid, 22.5 mg; niacin, 45 mg; copper sulfate, 10 mg; iodine, 1.5 mg; iron sulfate, 100 mg; manganese sulfate, 40 mg; sodium selenite, 0.3 mg; zinc oxide, 100 mg.
cNatuphos®, Basf enzyme.
dStandardized ileal digestible.