Table 1.
Weight percentage of CaCO3 obtain from acid-base titration. N: number of titrations, wt.: weight percentage of CaCO3 (%), n: number of eggs, EFEM: effective Young’s modulus (GPa), S.D.: standard deviation.
| Species | Common Name | N | wt. (%) | wt. S.D. | n | EFEM (GPa) | EFEM S.D. |
|---|---|---|---|---|---|---|---|
| Agapornis fischeri | Fischer’s lovebird | 4 | 84.40 | 0.94 | 4 | 24.60 | 1.90 |
| Agapornis personatus | Yellow-collared lovebird | 1 | 83.38 | 0.00 | 8 | 24.74 | 5.97 |
| Anas platyrhynchos | Mallard | 18 | 93.70 | 1.17 | 78 | 32.50 | 5.11 |
| Antigone antigone | Sarus crane | 9 | 94.71 | 0.45 | 2 | 25.03 | 2.35 |
| Ara ararauna | Blue and yellow macaw | 3 | 94.64 | 1.10 | 12 | 29.85 | 3.78 |
| Balearica regulorum | Gray-crowned crane | 8 | 94.53 | 0.31 | 14 | 30.39 | 6.53 |
| Columba livia domestica | Domestic pigeon | 6 | 94.60 | 0.29 | 10 | 26.39 | 3.30 |
| Dromaius novaehollandiae | Emu | 6 | 96.53 | 0.37 | 28 | 30.97 | 5.24 |
| Gallus gallus domesticus | Chicken | 4 | 95.08 | 0.61 | 13 | 30.77 | 4.35 |
| Merops philippinus | Blue-tailed bee-eater | 4 | 91.15 | 0.70 | 26 | 32.81 | 6.30 |
| Pavo cristatus | Indian peafowl | 10 | 94.71 | 1.14 | 29 | 34.81 | 4.39 |
| Phasianus colchicus | Ring-necked pheasant | 15 | 94.11 | 0.84 | 30 | 29.88 | 4.13 |
| Phoenicopterus chilensis | Chilean flamingo | 9 | 90.99 | 0.44 | 14 | 24.34 | 4.32 |
| Spheniscus demersus | African penguin | 3 | 92.71 | 0.38 | 22 | 25.64 | 4.23 |
| Struthio camelus | Ostrich | 9 | 96.46 | 0.22 | 7 | 47.76 | 4.03 |
| Taeniopygia guttata | Zebra finch | 3 | 83.07 | 0.56 | 26 | 23.28 | 11.78 |