Table 4.
Mean mineral total content in residual yolk (±SE).
| Mineral | E < 30 | E30+ | L < 30 | P |
|---|---|---|---|---|
| Ca (mg) | 42.5a (±1.5) | 31.6b (±1.3) | 40.3a (±1.7) | <0.001 |
| Cu (μg) | 4.1a (±0.21) | 2.3c (±0.11) | 3.2b (±0.18) | <0.001 |
| Fe (mg) | 0.076a (±0.008) | 0.057c (±0.011) | 0.063b (±0.006) | <0.001 |
| K (mg) | 4.49a (±0.238) | 2.43c (±0.09) | 3.71b (±0.253) | <0.001 |
| Mg (mg) | 1.14a (±0.068) | 0.58b (±0.039) | 0.98a (±0.078) | <0.001 |
| Mn (μg) | 7.8 (±0.62) | 7.5 (±0.58) | 9.3 (±0.72) | 0.072 |
| Na (mg) | 4.0a (±0.21) | 2.86b (±0.17) | 4.12a (±0.28) | <0.001 |
| P (mg) | 20.49a (±1.07) | 11.33b (±0.85) | 17.21a (±1.24) | <0.001 |
| Sr (μg) | 23.4a (±1.26) | 14.8b (±0.86) | 19.8a (±1.12) | <0.001 |
| Zn (mg) | 0.13a (±0.007) | 0.067b (±0.005) | 0.107a (±0.009) | <0.001 |
a,b,cMeans within a row with different letter superscripts differ significantly (P < 0.001).
Abbreviations: E < 30, chicks that hatched by ≤ 486 h of incubation, with a sojourn in the hatcher tray of less than 30 h; E30+, chicks that hatched by ≤ 486 h of incubation, with a sojourn in the hatcher tray of between 30 and 48 h; L < 30, chicks that hatched from >486 until 516 h of incubation, with a sojourn in the hatcher tray of less than 30 h.