Table 3.
Nutrient composition of ingredients and particle size of dicalcium phosphate (as-is basis), Exp. 2
| Dicalcium phosphate source | ||||||||
|---|---|---|---|---|---|---|---|---|
| Item, % | Corn | Potato protein concentrate | Ca carbonate | A | B | C | Mean | SD |
| Nutrient composition1 | ||||||||
| DM | 86.6 | 91.0 | 100.0 | 94.9 | 94.0 | 95.1 | 94.7 | 0.6 |
| Ash | 1.2 | 0.4 | 94.2 | 84.1 | 81.5 | 83.3 | 83.0 | 1.3 |
| Ca | <0.01 | 0.02 | 39.7 | 20.5 | 18.9 | 18.9 | 19.5 | 1.7 |
| Total P | 0.23 | 0.13 | 0.13 | 18.5 | 19.8 | 19.1 | 19.1 | 0.7 |
| Phytate2 | 0.64 | 0.28 | — | — | — | — | — | — |
| Phytate P | 0.18 | 0.08 | — | — | — | — | — | — |
| Nonphytate P3 | 0.05 | 0.05 | 0.13 | — | — | — | — | — |
| Particle size, μm | — | — | — | 508 | 1,079 | 465 | 684 | 343 |
1All samples were analyzed in duplicate except Ca and total P, which was analyzed in duplicate in four separate samples.
2Phytate was calculated by dividing the analyzed phytate P by 0.282 (Tran and Sauvant, 2004).
3Nonphytate P was calculated as the difference between total P and phytate P.