Table 1.
Composition of the animal feeds used in the study
| Gestation (GD) | Lactation (LD) | Pre-starter (PS) | Starter (ST) | Growth (GR) | |
|---|---|---|---|---|---|
| Composition (%) | |||||
| Wheat | 22.0 | 25.6 | 23.2 | 26.2 | |
| Corn | 10.0 | 12.0 | 25.0 | 16.0 | |
| Barley | 33.9 | 25.68 | 45.31 | 24.05 | 25.5 |
| Wheat bran | 15.0 | 10.0 | 5.0 | ||
| Soybean meal | 9.0 | 18.0 | 17.5 | 22.57 | 19.0 |
| Soybean proteins | 2.5 | ||||
| Vegetal oil | 2.0 | 2.0 | 2.3 | 0.45 | 2.0 |
| Molasses | 3.0 | 3.0 | |||
| Beet pulp | 5.0 | ||||
| Mild lactoserum | 20.0 | ||||
| Fattened milk | 8.0 | ||||
| Carbonate calcium | 1.74 | 1.2 | 1.41 | 1.13 | 1.29 |
| Monocalcic phosphate | 0.8 | 0.97 | |||
| Bicalcic phosphate | 0.3 | 1.02 | 0.5 | ||
| Salt | 0.45 | 0.45 | 0.4 | 0.45 | |
| Vitamin complement | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Lysine | + | ++ | ++ | + | |
| Methionine | + | ++ | ++ | + | |
| Threonine | + | ++ | ++ | + | |
| Tryptophan | + | + | |||
| Valine | + | + | |||
| Acidifying agent | + | + | + | + | + |
| Phytase | + | + | + | + | + |
| Chemical composition, % | |||||
| Dry matter | 87.58 | 86.94 | 89.92 | 86.99 | |
| Mineral content | 5.77 | 6.06 | 7.02 | 5.44 | 5.6 |
| Crude Protein | 13.32 | 16.45 | 18.99 | 18,0 | 16.5 |
| Fat content | 4.28 | 4.21 | 6.74 | 2.79 | 4.2 |
| Crude fiber | 5.14 | 4.09 | 2.97 | 3.62 | 3.8 |
| Starch | 40.5 | 38.9 | 24.5 | 43.5 | 40.9 |
| Nutritional values | |||||
| Net energy, MJ/kg | 9.25 | 9.41 | 10.63 | 9.67 | 9.67 |
The gestation and lactation feeds were provided to the gestating or lactating sows. The prestarter, starter, and growth feeds were provided to the piglets. ++ and + symbols indicate very small and infinitesimal quantities of compounds added in the diet.