Table 5.
Trace element content (mg/kg wet tissue) in guinea fowl egg albumen.
| Item | Storage Time | Laying Season (Average ± SD) | |||
|---|---|---|---|---|---|
| I | II | III | Average | ||
| Zn | 7 days | 0.17 a ± 0.09 | 0.19 a ± 0.09 | 0.10 a ± 0.05 | 0.15 d ± 0.08 |
| 14 days | 0.12 a ± 0.06 | 0.16 a ± 0.09 | 0.09 a ± 0.02 | 0.13 d ± 0.07 | |
| 21 days | 0.14 a ± 0.09 | 0.16 a ± 0.10 | 0.08 a ± 0.03 | 0.14 d ± 0.08 | |
| Average | 0.14 a ± 0.08 | 0.17 a ± 0.09 | 0.09 b ± 0.03 | 0.14 ± 0.08 | |
| Si | 7 days | 3.21 b ± 0.52 | 3.35 ab ± 0.98 | 4.09 a ± 0.63 | 3.55 d ± 0.81 |
| 14 days | 3.40 ab ± 1.06 | 3.47 ab ± 1.05 | 4.29 a ± 0.97 | 3.72 d ± 1.07 | |
| 21 days | 3.42 ab ± 0.98 | 2.78 b ± 0.49 | 4.57 a ± 1.02 | 3.59 d ± 1.13 | |
| Average | 3.34 b ± 0.86 | 3.20 b ± 0.90 | 4.32 a ± 0.88 | 3.62 d ± 1.00 | |
| Fe | 7 days | 0.45 a ± 0.09 | 0.24 cd ± 0.04 | 0.19 d ± 0.06 | 0.29 d ± 0.13 |
| 14 days | 0.33 bc ± 0.08 | 0.19 d ± 0.06 | 0.21 d ± 0.08 | 0.24 e ± 0.10 | |
| 21 days | 0.37 ab ± 0.12 | 0.19 d ± 0.06 | 0.22 d ± 0.05 | 0.26 de ± 0.11 | |
| Average | 0.38 a ± 0.11 | 0.21 b ± 0.06 | 0.20 b ± 0.07 | 0.26 ± 0.12 | |
| Cu | 7 days | 0.22 bc ± 0.03 | 0.23 bc ± 0.06 | 0.19 c ± 0.04 | 0.21 e ± 0.04 |
| 14 days | 0.28 ab ± 0.03 | 0.22 c ± 0.02 | 0.25 abc ± 0.05 | 0.25 d ± 0.04 | |
| 21 days | 0.30 a ± 0.06 | 0.25 abc ± 0.04 | 0.22 c ± 0.02 | 0.26 d ± 0.06 | |
| Average | 0.27 a ± 0.05 | 0.23 b ± 0.04 | 0.22 b ± 0.04 | 0.24 ± 0.05 | |
| Ba | 7 days | 0.015 bc ± 0.005 | 0.019 ab ± 0.003 | 0.012 cd ± 0.004 | 0.015 d ± 0.005 |
| 14 days | 0.009 d ± 0.003 | 0.016 bc ± 0.005 | 0.012 cd ± 0.004 | 0.012 e ± 0.005 | |
| 21 days | 0.022 a ± 0.004 | 0.011 cd ± 0.003 | 0.012 cd ± 0.004 | 0.015 de ± 0.006 | |
| Average | 0.015 a ± 0.006 | 0.015 a ± 0.005 | 0.012 b ± 0.004 | 0.014 ± 0.005 | |
| Sr | 7 days | 0.15 ab ± 0.02 | 0.14 ab ± 0.02 | 0.17 a ± 0.04 | 0.15 d ± 0.03 |
| 14 days | 0.13 bc ± 0.02 | 0.12 bc ± 0.03 | 0.16 a ± 0.02 | 0.14 e ± 0.02 | |
| 21 days | 0.14 ab ± 0.03 | 0.10 c ± 0.02 | 0.16 a ± 0.02 | 0.13 e ± 0.03 | |
| Average | 0.14 b ± 0.02 | 0.12 c ± 0.03 | 0.16 a ± 0.03 | 0.14 ± 0.03 | |
| Mn | 7 days | 0.031 a ± 0.005 | 0.022 bc ± 0.003 | 0.022 bc ± 0.003 | 0.025 d ± 0.006 |
| 14 days | 0.023 bc ± 0.001 | 0.020 bc ± 0.002 | 0.019 c ± 0.002 | 0.021 e ± 0.002 | |
| 21 days | 0.025 b ± 0.006 | 0.021 bc ± 0.002 | 0.020 bc ± 0.002 | 0.022 e ± 0.004 | |
| Average | 0.026 a ± 0.006 | 0.021 b ± 0.002 | 0.020 b ± 0.003 | 0.022 ± 0.005 | |
| Al | 7 days | 0.28 a ± 0.04 | 0.18 b ± 0.04 | 0.15 b ± 0.05 | 0.21 d ± 0.07 |
| 14 days | 0.27 a ± 0.06 | 0.15 b ± 0.02 | 0.14 b ± 0.05 | 0.19 d ± 0.08 | |
| 21 days | 0.27 a ± 0.07 | 0.12 b ± 0.02 | 0.17 b ± 0.05 | 0.19 d ± 0.08 | |
| Average | 0.27 a ± 0.06 | 0.15 b ± 0.04 | 0.15 b ± 0.05 | 0.19 ± 0.08 | |
| Se | 7 days | 0.11 a ± 0.01 | 0.11 a ± 0.02 | 0.11 a ± 0.01 | 0.11 d ± 0.02 |
| 14 days | 0.11 a ± 0.01 | 0.12 a ± 0.01 | 0.12 a ± 0.01 | 0.11 d ± 0.01 | |
| 21 days | 0.11 a ± 0.01 | 0.13 a ± 0.01 | 0.11 a ± 0.01 | 0.12 d ± 0.01 | |
| Average | 0.11 b ± 0.01 | 0.12 a ± 0.01 | 0.11 ab ± 0.01 | 0.11 ± 0.01 | |
| Cr | 7 days | 0.34 a ± 0.08 | 0.34 a ± 0.05 | 0.33 a ± 0.05 | 0.34 d ± 0.06 |
| 14 days | 0.35 a ± 0.04 | 0.33 a ± 0.05 | 0.33 a ± 0.03 | 0.33 d ± 0.04 | |
| 21 days | 0.32 a ± 0.06 | 0.37 a ± 0.02 | 0.36 a ± 0.06 | 0.35 d ± 0.05 | |
| Average | 0.34 a ± 0.06 | 0.35 a ± 0.04 | 0.34 a ± 0.05 | 0.34 ± 0.05 | |
| Pb | 7 days | 0.064 a ± 0.004 | 0.060 ab ± 0.005 | 0.059 ab ± 0.005 | 0.061 d ± 0.005 |
| 14 days | 0.057 b ± 0.002 | 0.058 ab ± 0.004 | 0.058 ab ± 0.004 | 0.058 e ± 0.004 | |
| 21 days | 0.059 ab ± 0.003 | 0.063 ab ± 0.004 | 0.060 ab ± 0.005 | 0.061 d ± 0.004 | |
| Average | 0.060 a ± 0.004 | 0.060 a ± 0.004 | 0.059 a ± 0.005 | 0.060 ± 0.004 | |
| Cd | 7 days | 0.0053 bc ± 0.0004 | 0.0057 ab ± 0.0005 | 0.0049 c ± 0.0003 | 0.0053 d ± 0.0005 |
| 14 days | 0.0048 c ± 0.0004 | 0.0053 bc ± 0.0006 | 0.0048 c ± 0.0005 | 0.0050 e ± 0.0005 | |
| 21 days | 0.0060 a ± 0.0004 | 0.0053 bc ± 0.0003 | 0.0048 c ± 0.0004 | 0.0054 d ± 0.0006 | |
| Average | 0.0054 a ± 0.0006 | 0.0054 a ± 0.0005 | 0.0048 b ± 0.0004 | 0.0052 ± 0.0006 | |
| Main Effect (p-Value) | |||||
| Laying Season (L) | Storage Time (ST) | L × ST | |||
| Zn | 0.0005 | 0.2710 | 0.9758 | ||
| Si | <0.0001 | 0.7303 | 0.3141 | ||
| Fe | <0.0001 | 0.0209 | 0.0351 | ||
| Cu | 0.0001 | 0.0002 | 0.0065 | ||
| Ba | 0.0005 | 0.0127 | <0.0001 | ||
| Sr | <0.0001 | 0.0052 | 0.2629 | ||
| Mn | <0.0001 | <0.0001 | 0.0328 | ||
| Al | <0.0001 | 0.2127 | 0.2135 | ||
| Se | 0.0214 | 0.3411 | 0.4145 | ||
| Cr | 0.8033 | 0.5600 | 0.2255 | ||
| Pb | 0.4351 | 0.0068 | 0.0302 | ||
| Cd | <0.0001 | 0.0010 | <0.0001 | ||
a–c—Statistically significant differences (p ≤ 0.05) for the laying season are marked with different letters in the subscript; d,e—statistically significant differences (p ≤ 0.05) for the storage time are marked with different letters in the subscript; a–d—statistically significant differences (p ≤ 0.05) for interaction type of laying season × storage time are marked with different letters in the superscript.