Table 1.
Ingredients and calculated nutritional composition of diets from preinitial (1–7 d of age), initial (88–21 d of age), growth (22–35 d of age), and final (36–42 d of age) phases.
| Ingredients (%) | Pre-initial | Initial | Growth | Final |
|---|---|---|---|---|
| Corn | 54.46 | 59.80 | 63.77 | 69.94 |
| Soybean meal (45.5%) | 35.16 | 30.78 | 23.82 | 15.18 |
| Poultry fat | 1.13 | 1.40 | 1.87 | 2.07 |
| Meat and bone meal (47%) | 3.67 | 4.40 | 3.13 | 6.87 |
| Offal meal (62.5%) | 3.00 | 1.13 | 3.53 | 1.80 |
| Feather meal (84.81%) | - | - | 1.53 | 2.00 |
| Limestone | 0.53 | 0.53 | 0.63 | 0.23 |
| Salt | 0.39 | 0.35 | 0.27 | 0.21 |
| Sodium bicarbonate | 0.08 | 0.05 | 0.10 | 0.15 |
| Choline chloride (75%) | 0.05 | 0.08 | 0.05 | 0.06 |
| DL-Methionine (99%) | 0.41 | 0.35 | 0.27 | 0.25 |
| L-Lysine HCL (64%) | 0.33 | 0.34 | 0.28 | 0.45 |
| L-Threonine (98%) | 0.07 | 0.08 | 0.05 | 0.09 |
| L-Valine (96.5%) | 0.02 | 0.01 | - | - |
| 1Vitamin supplement | 0.05 | 0.05 | 0.05 | 0.05 |
| 2Mineral supplement | 0.05 | 0.05 | 0.05 | 0.05 |
| 3Additives | 0.20 | 0.20 | 0.20 | 0.20 |
| 4Variable portion | 0.40 | 0.40 | 0.40 | 0.40 |
| Total | 100.00 | 100.00 | 100.00 | 100.00 |
| Calculated nutritional composition | ||||
| ME (kcal/kg) | 3,000 | 3,050 | 3,150 | 3,200 |
| CP (%) | 25.00 | 22.50 | 21.60 | 19.53 |
| Calcium (%) | 0.98 | 0.98 | 0.95 | 0.86 |
| Available phosphorus (%) | 0.49 | 0.48 | 0.46 | 0.44 |
| Sodium (%) | 0.22 | 0.21 | 0.20 | 0.19 |
| Chlorine (%) | 0.30 | 0.27 | 0.23 | 0.20 |
| Potassium (%) | 0.90 | 0.82 | 0.70 | 0.57 |
| Digestible methionine + cystine (%) | 1.03 | 0.92 | 0.85 | 0.75 |
| Digestible methionine (%) | 0.73 | 0.64 | 0.56 | 0.49 |
| Digestible lysine (%) | 1.36 | 1.21 | 1.10 | 1.00 |
| Digestible threonine (%) | 0.87 | 0.79 | 0.72 | 0.68 |
Vitamin supplement (composition per kg product): preinitial and initial (vitamin A, 20000000 IU; vitamin D3, 5000000 IU; vitamin E, 50,000 IU; vitamin K3, 4,000 mg; vitamin B1, 5,000 mg; vitamin B2, 13,000 mg; vitamin B6, 7,000 mg; vitamin B12, 36 mg; niacin, 84,000 mg; pantothenate, 30,000 mg; folic acid, 2,400 mg; biotin, 160 mg; selenium 600 mg); growth and final (vitamin A, 16000000 IU; vitamin D3, 3800000 IU; vitamin E, 40,000 IU; vitamin K3, 3,600 mg; vitamin B1, 3,600 mg; vitamin B2, 11,000 mg; vitamin B6, 5,200 mg; vitamin B12, 30 mg; niacin, 70,000 mg; pantothenate, 26,000 mg; folic acid, 1,800 mg; biotin, 100 mg; selenium, 600 mg).
Mineral supplement (composition per kg product): copper, 16.25 g; iron, 100 g; iodine, 2,000 g; manganese, 150 g; zinc 125 g.
Additives: preinitial, initial, and growth (Maxiban [narasine + nicarbazine] 0.05 g; Enradin [enramycin] 0.01 g; Microtech [phytase] 0.01 g; Salmex (formaldehyde, propionic acid, terpenes and surfactants] 0.10 g; Endox [ethoxyquin and butylated hidroxyanisole] 0.004 g; copper sulfate 0.03 g); final (Maxiban [narasine + nicarbazine] 0.05 g; Enradin [enramycin] 0.006 g; Microtech [phytase] 0.01 g; Salmex [formaldehyde, propionic acid, terpenes, and surfactants] 0.10 g; Endox [ethoxyquin and butylated hidroxyanisole] 0.004 g; copper sulfate 0.03 g).
Variable portion: chondroitin sulfate ([C14H21NO14S]n, Biofac A/S, Englandsvej, Kastrup, Denmark) and/or potassium glucosamine sulfate ([C6H14NO5] 2SO4 x 2KCl, Zhejiang Golden-Shell Pharmaceutical Co. Ltd., Yuhuan, Zhejiang, China) and/or inert (kaulin) as per treatments.