Table 1.
Ingredient and chemical composition of the basal diets with no added zinc.
| Starter | Grower | |
|---|---|---|
| Ingredient composition (g/Kg) | ||
| Wheat (10.5% protein) | 598.09 | 646.21 |
| Extracted Soya, (48% protein) | 336.79 | 283.04 |
| Soya oil | 32.50 | 41.82 |
| Limestone | 11.20 | 9.49 |
| Salt | 2.02 | 2.26 |
| Sodium bicarbonate | 1.80 | 1.52 |
| Monocalcium phosphate, HCl | 6.48 | 6.50 |
| Lysine HCl | 2.39 | 1.48 |
| Methionine | 3.11 | 2.41 |
| Threonine | 1.42 | 1.07 |
| Econase XT 25 powder | 0.10 | 0.10 |
| Quantum Blue phytase | 0.10 | 0.10 |
| Zinc-free vitamin/mineral premix * | 4.00 | 4.00 |
| Analysed chemical composition | ||
| Dry matter (g/Kg DM) | 874 | 878 |
| Ash (g/Kg DM) | 48.3 | 52.6 |
| Protein (g/Kg DM) | 25.0 | 21.6 |
| Fat (g/Kg DM) | 35.7 | 60.75 |
| P (g/Kg DM) | 7.81 | 5.13 |
| Ca (g/Kg DM) | 9.52 | 8.13 |
| Gross energy (MJ/Kg DM) | 15.9 | 16 |
* Premix content (per kg diet): Mn 100 mg, Fe 20 mg, Cu 10 mg, I 1 mg, Mo 0.48 mg, Se 0.2 mg, Retinol 13.5 mg, Cholecalciferol 3 mg, Tocopherol 25 mg, Menadione 5.0 mg, Thiamine 3 mg, Riboflavin 10.0 mg, Pantothenic acid 15 mg, Pyroxidine 3.0 mg, Niacin 60 mg, Cobalamin 30 µg, Folic acid 1.5 mg and Biotin 125 µg; DM = dry matter.