Table 4.
Ingredient and nutrient composition of experimental diets fed during days 29 to 42 post-weaning (phase 3)
| Ingredient composition | Control | 1% | 5% | 10% | 20% |
|---|---|---|---|---|---|
| Microalgae extract | 0.00 | 1.00 | 5.00 | 10.00 | 20.00 |
| Corn | 66.10 | 65.05 | 60.25 | 54.26 | 42.16 |
| Soybean meal, 47.5% CP | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 |
| Soybean Oil | 0.00 | 0.05 | 0.83 | 1.81 | 3.82 |
| L-Lysine HCl | 0.41 | 0.41 | 0.42 | 0.43 | 0.46 |
| DL-Methionine | 0.12 | 0.12 | 0.13 | 0.14 | 0.17 |
| Monocalcium phosphate | 1.36 | 1.36 | 1.38 | 1.41 | 1.47 |
| Limestone | 0.96 | 0.96 | 0.95 | 0.94 | 0.91 |
| Salt | 0.44 | 0.44 | 0.42 | 0.40 | 0.40 |
| Vitamin and trace mineral premix* | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| L-Threonine | 0.11 | 0.11 | 0.11 | 0.12 | 0.12 |
| Total | 100 | 100 | 100 | 100 | 100 |
| Calculated nutrient composition | |||||
| ME, kcal/kg | 3,300 | 3,300 | 3,300 | 3,300 | 3,300 |
| CP, % | 20.28 | 20.24 | 20.08 | 19.88 | 19.47 |
| NDF, % | 9.02 | 9.29 | 10.35 | 11.66 | 14.29 |
| Fat, % | 3.48 | 3.56 | 4.46 | 5.58 | 7.87 |
| Linoleic acid, % | 1.45 | 1.45 | 1.77 | 2.16 | 2.96 |
| P % (total) | 0.68 | 0.68 | 0.69 | 0.69 | 0.70 |
| P % (STTD)† | 0.35 | 0.36 | 0.36 | 0.37 | 0.37 |
| Ca% (total) | 0.72 | 0.72 | 0.72 | 0.72 | 0.72 |
| Ca: P | 1.06 | 1.06 | 1.04 | 1.04 | 1.03 |
| Total Lys % | 1.40 | 1.40 | 1.40 | 1.39 | 1.39 |
| Standardized ileal digestible | |||||
| Lys % | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 |
| Lys:ME (g/Mcal/kg) | 3.85 | 3.85 | 3.85 | 3.85 | 3.85 |
| Met/Cys % | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 |
| Thr % | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 |
| Trp % | 0.21 | 0.21 | 0.21 | 0.21 | 0.21 |
| Analyzed composition | |||||
| GE, kcal/g | 3,885 | 3,853 | 3,897 | 3,954 | 4,039 |
| CP, % | 18.66 | 19.12 | 25.53 | 17.65 | 17.50 |
| Ether extract, % | 2.53 | 2.10 | 3.82 | 4.23 | 8.59 |
| Crude fiber, % | 3.37 | 2.28 | 2.59 | 2.89 | 3.15 |
| Ash, % | 5.09 | 5.43 | 6.15 | 5.50 | 5.70 |
| Moisture, % | 12.27 | 12.36 | 11.91 | 10.95 | 9.62 |
*Premix supplied the following nutrients per kilogram of diet: 11,023 IU of vitamin A as retinyl acetate; 2,756 IU of vitamin D3; 22 IU of vitamin E as dl-alpha tocopheryl acetate; 4.41 mg of vitamin K as menadione dimethylpyrimidinol bisulfite; 9.92 mg of riboflavin; 55.11 mg of niacin; 33.07 mg of pantothenic acid as d-calcium pantothenate; 992 mg of choline as choline chloride; 0.06 mg of vitamin B12; 14.3 mg of pyridoxine; 1.65 mg of folic acid; 2.20 mg of thiamine; 0.33 mg of biotin; 2.20 mg of iodine as ethylenediamine dihydroiodide; 0.30 mg of selenium as sodium selenite; 299 mg of zinc as zinc sulfate; 299 mg of iron as ferrous sulfate; 19.8 mg of copper as copper sulfate; and 17.6 mg of manganese as manganese oxide.
†Standardized total tract digestibility.