Table 4.
Apparent nutrient digestibility (%), nitrogen balance (NB g), and nitrogen retention (NR %) of wheat grain in broilers.
| Item | Spring Cultivars | Winter Cultivars | SEM | p-Value (Spring vs. Winter) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bombona | Bryza | Napola | Torka | Vinjett | Zebra | Mean | SD | Mikula | Muza | Satyna | Mean | SD | |||
| Digestibility coefficient | |||||||||||||||
| Dry matter | 79.6 | 76.1 | 83.9 | 80.2 | 74.3 | 71.6 | 77.6 | 4.3 | 82.7 | 82.8 | 86.2 | 83.9 | 1.92 | 0.8 | <0.01 |
| Organic matter | 83.7 | 79.8 | 87.1 | 83.3 | 79.3 | 75.1 | 81.4 | 4.1 | 85.6 | 86.0 | 88.8 | 86.8 | 1.6 | 0.6 | 0.01 |
| Ether extracts | 69.7 | 49.9 | 82.3 | 48.2 | 53.0 | 48.9 | 58.7 | 14.1 | 61.0 | 60.8 | 85.7 | 69.2 | 13.1 | 5.4 | 0.14 |
| NFE 1 | 92.5 | 88.9 | 94.2 | 92.7 | 89.6 | 82.1 | 90.0 | 4.2 | 93.1 | 94.1 | 94.3 | 93.8 | 0.6 | 0.2 | 0.05 |
| Crude protein | 77.3 | 76.6 | 81.6 | 72.5 | 73.0 | 70.3 | 75.2 | 4.6 | 76.2 | 81.5 | 83.9 | 80.6 | 3.7 | 1.5 | 0.02 |
| NB g | 1.6 | 1.4 | 2.2 | 1.2 | 1.5 | 1.8 | 1.6 | 0.3 | 1.7 | 1.8 | 2.0 | 1.8 | 0.2 | 0.1 | 0.25 |
| NR % | 49.1 | 43.0 | 59.7 | 42.5 | 45.4 | 49.2 | 48.1 | 7.2 | 52.2 | 50.8 | 64.5 | 55.9 | 7.3 | 3.0 | 0.05 |
1 N-free extract.