Table 1.
Ingredient composition and calculated nutrients of the experimental diets (as fed basis).
| Item | Positive control |
Negative control |
||||
|---|---|---|---|---|---|---|
| Starter | Grower | Finisher | Starter | Grower | Finisher | |
| Ingredients, g/kg | ||||||
| Wheat | 572 | 587 | 645 | 607 | 621 | 675 |
| Soybean meal | 279 | 223 | 175 | 269 | 213 | 173 |
| Meat meal | 45 | 30 | 30 | 45 | 30 | 22 |
| Canola meal | 40 | 80 | 80 | 40 | 80 | 80 |
| Canola oil | 33 | 45 | 44 | 16 | 29 | 29 |
| Dicalcium phosphate | 8.5 | 8.7 | 6.8 | 0.3 | 0.6 | 0.3 |
| Limestone | 6.3 | 7.1 | 6.3 | 7.2 | 7.9 | 8.2 |
| D,L-methionine | 3.41 | 2.74 | 2.31 | 3.20 | 2.53 | 2.10 |
| L-lysine HCl | 3.03 | 2.70 | 2.50 | 2.95 | 2.62 | 2.40 |
| NaCl | 2.72 | 1.86 | 1.86 | 2.05 | 1.20 | 1.30 |
| Premix1 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 |
| L-threonine | 1.96 | 1.47 | 1.17 | 1.83 | 1.33 | 1.02 |
| Na bicarbonate | 1.50 | 2.00 | 2.00 | 1.50 | 2.00 | 2.00 |
| Choline Cl, 60% | 0.69 | 0.69 | 0.57 | 0.65 | 0.65 | 0.54 |
| Xylanase powder2 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| Salinomycin3 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| Zn bacitracin4 | 0.33 | – | – | 0.33 | – | – |
| Titanium dioxide | – | 5.0 | – | – | 5.0 | – |
| Calculated nutrients, g/kg | ||||||
| ME, MJ/kg | 12.55 | 12.97 | 13.18 | 12.27 | 12.69 | 12.90 |
| Crude protein | 233 | 213 | 197 | 232 | 212 | 194 |
| Crude fibre | 28.1 | 31.3 | 31.1 | 28.6 | 31.8 | 31.7 |
| dLysine | 12.8 | 11.5 | 10.3 | 12.6 | 11.3 | 10.1 |
| dMet + Cys | 9.5 | 8.7 | 8.0 | 9.3 | 8.5 | 7.8 |
| dLeucine | 14.6 | 13.4 | 12.4 | 14.6 | 13.4 | 12.3 |
| dArginine | 13.7 | 12.3 | 11.0 | 13.5 | 12.1 | 10.8 |
| dIsoleucine | 8.9 | 8.2 | 7.5 | 8.9 | 8.1 | 7.5 |
| dThreonine | 8.6 | 7.7 | 6.9 | 8.4 | 7.5 | 6.7 |
| dValine | 9.9 | 9.1 | 8.3 | 9.8 | 9.0 | 8.2 |
| Ca | 9.6 | 8.7 | 7.9 | 8.2 | 7.3 | 6.5 |
| Total P | 7.7 | 7.1 | 6.6 | 6.2 | 5.6 | 5.0 |
| Av. P | 4.8 | 4.3 | 3.9 | 3.3 | 2.8 | 2.4 |
| Na | 2.1 | 1.8 | 1.8 | 1.8 | 1.5 | 1.5 |
| K | 9.4 | 8.6 | 7.8 | 9.3 | 8.5 | 7.8 |
| Cl | 3.0 | 2.3 | 2.3 | 2.6 | 1.9 | 1.9 |
| Mg | 2.0 | 2.0 | 1.8 | 1.9 | 1.9 | 1.9 |
| S | 2.3 | 2.3 | 2.1 | 2.3 | 2.3 | 2.1 |
| dEB5, mEq | 267 | 251 | 229 | 263 | 247 | 227 |
| dEB6, mEq | 287 | 274 | 252 | 280 | 267 | 249 |
Vitamin-Mineral concentrate supplied per kilogram of diet: retinol, 1,2000 IU; cholecalciferol, 5,000 IU; tocopheryl acetate, 75 mg; menadione, 3 mg; thiamine, 3 mg; riboflavin, 8 mg; niacin, 55 mg; pantothenate, 13 mg; pyridoxine, 5 mg; folate, 2 mg; cyanocobalamine, 16 μg; biotin, 200 μg; cereal-based carrier, 149 mg; mineral oil, 2.5 mg; Cu (sulphate), 16 mg; Fe (sulphate), 40 mg; I (iodide), 1.25 mg; Se (selenate), 0.3 mg; Mn (sulphate and oxide), 120 mg; Zn (sulphate and oxide), 100 mg; cereal-based carrier, 128 mg; mineral oil, 3.75 mg.
Feedzyme XBC 1000 (Feedworks, Australia).
Sacox 120 (coccidiostat).
Albac 150 (Zoetis).
dEB = Na+ + K+−Cl−.
dEB = Na+ + K+ + Mg2+−Cl−−S2−.