Table 1.
Composition of feed and concentrates used during 8-week rearing of ducks1
| Group2 | ||
|---|---|---|
| 1 | 2 | |
| Composition of feed, % | ||
| Concentrate | 55 | 55 |
| Wheat | 45 | 45 |
| Composition of concentrates, % | ||
| SBM 44% | 65 | – |
| Yellow lupin | – | 68.98 |
| Potato protein | – | 3 |
| Brewers’ yeast | – | 3 |
| Triticale | 23.04 | 12 |
| Soybean oil | 5.2 | 5.4 |
| Premix 1% | 2 | 2 |
| Fodder chalk | 2 | 2 |
| Monocalcium phosphate | 1.52 | 1.74 |
| NaHCO3 | 0.84 | 0.8 |
| Fodder salt | 0.18 | 0.12 |
| l-Lysine | – | 0.32 |
| dl-Methionine | 0.2 | 0.4 |
| l-Threonine | 0.02 | 0.24 |
SBM = soybean meal.
1
Feed rations were established based on recommendations by Smulikowska and Rutkowski (2018): CP, 140 to 190 g/kg; metabolisable energy, 11.5 to 11.7 MJ/kg.
2
1 = feed based on soybean meal, 2 = feed based on yellow lupin.