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| Calcium sources | ||
|---|---|---|
| Minerals | Eggshell | Seashell |
| Calcium | 34.40 ± 2.37 | 38.04 ± 1.28 |
| Phosphorus | 0.27 ± 0.04 | 0.03 ± 0.02 |
Note:
Values are the mean percent composition of minerals in eggshells and seashells.
