Table 1.
Ingredients and the chemical composition of diets fed to broiler breeder roosters (DM basis).
| Ingredient (%) | Control diet (%) | Fish oil (2%) | Corn oil (2%) | Fish: corn oil (50%:50%) |
|---|---|---|---|---|
| Corn | 66.32 | 59.10 | 59.27 | 59.19 |
| Soybean meal (44%) | 8.50 | 7.67 | 7.72 | 7.69 |
| Wheat bran | 21.94 | 28.20 | 27.98 | 28.09 |
| Dicalcium phosphate | 1.00 | 0.92 | 0.92 | 0.92 |
| CaCO3 | 1.11 | 1.14 | 1.14 | 1.14 |
| Sodium bicarbonate | 0.38 | 0.16 | 0.16 | 0.16 |
| Sodium chloride | 0.20 | 0.28 | 0.28 | 0.28 |
| Vitamin premix1 | 0.25 | 0.25 | 0.25 | 0.25 |
| Trace-mineral premix | 0.25 | 0.25 | 0.25 | 0.25 |
| L-lysin HCl | 0.02 | 0 | 0 | 0 |
| Corn oil | 0 | 0 | 2 | 1 |
| Fish oil | 0 | 2 | 0 | 1 |
| DL-Met | 0.03 | 0.03 | 0.03 | 0.03 |
| Total | 100 | 100 | 100 | 100 |
| Composition | ||||
| ME (kcal/kg) | 2,700 | 2,700 | 2,700 | 2,700 |
| CP (%) | 12 | 12 | 12 | 12 |
| Ca (%) | 0.7 | 0.7 | 0.7 | 0.7 |
| Avail.Phos (%) | 0.35 | 0.35 | 0.35 | 0.35 |
| Lysin (SID) (%) | 0.44 | 0.44 | 0.44 | 0.44 |
| Met+Cys (SID) (%) | 0.42 | 0.42 | 0.42 | 0.42 |
| Threonine (SID) (%) | 0.37 | 0.36 | 0.36 | 0.37 |
1
The birds received diets containing 2% corn oil, 2% fish oil, 50:50% corn and fish oil, with 5 g/kg Rosemary powder leaves (RPL) for 60 D (45 to 53 wk of age). Supplied per kg diet: vitamin A, 12,000 IU; vitamin D3, 3,500 IU; niacin, 50 mg; vitamin E, 100 IU; vitamin K3, 5 mg; riboflavin, 12 mg; thiamin, 3.0 mg; D-pantothenic acid, 13 mg; folic acid, 2 mg; pyridoxine, 6 mg; vitamin B12, 0.03 mg, and biotin, 0.66 mg.c Supplied per kg diet: Fe (FeSO4·H2O), 50 mg; Mn (MnSO4·H2O), 120 mg; Zn (ZnO), 110 mg; Cu (CuSO4·5H2O),10 mg; iodine (KI), 2 mg; and Se (Na2SeO3), 0.3 mg.