Table 1.
Ingredient and nutrient composition of the control and 0.15% GAA feed.
| Raw material (%) | Control feed | GAA-suppl. Feed |
|---|---|---|
| Wheat | 22 | 22 |
| Corn | 43 | 43 |
| Soybean meal | 14 | 14 |
| Sunflower meal | 8 | 8 |
| Wheat bran | 1 | 1 |
| Soapstock oil | 2.5 | 2.5 |
| Calcium carbonate | 7.7 | 7.7 |
| MCP1 | 0.49 | 0.49 |
| NaCl | 0.25 | 0.25 |
| Moldstop | 0.1 | 0.1 |
| Sodium bicarbonate | 0.14 | 0.14 |
| Vitamin and mineral mix2 | 1.2 | 1.2 |
| Nutrient | % | % |
| Calculated/(analyzed)4 CP |
15.0 (16.05)4 | 15.0 (16.29)4 |
| Crude fat | 4.0 | 4.0 |
| Fiber | 4.5 | 4.5 |
| Ash | 10.5 | 10.5 |
| Calcium | 3.2 | 3.2 |
| Total phosphorus | 0.45 | 0.45 |
| Methionine | 0.38 (0.47)4 | 0.38 (0.43)4 |
| Met + Cys | 0.65 (0.75)4 | 0.65 (0.71)4 |
| Lysine | 0.67 (0.94)4 | 0.67 (0.75)4 |
| Arginine | 0.95 (0.99)4 | 0.95 (0.98)4 |
| Threonine | 0.55 (0.65)4 | 0.55 (0.64)4 |
| Linoleic acid | 1.55 | 1.55 |
| Sodium | 0.16 | 0.16 |
| Potassium | 0.67 | 0.67 |
| Chlorine | 0.21 | 0.21 |
| GAA3, mg/kg | (235)4 | (1701)4 |
| ME (Kcal/kg) | 2,800 | 2,800 |
1
Abbreviations: GAA, guanidinoacetate; MCP, monocalcium phosphate.
2
According to Cobb nutritional recommendation tables for broiler breeders 2015.
3
GAA was added on top of the feed, and no arginine and energy matrix values were used in the present study.
4
Standardized to DM content of 88%.