Table 5.
Blood serum lipid metabolites of brown egg layers fed three levels of Ca supplemented with three levels of VD3 from 60 to 72 wk of age.
| Treatments | Cho, mg/dL | Trig, mg/dL | HDL, mg/dL | vLDL, mg/dL | LDL, mg/dL | Trig: HDL Ratio | LDL: HDL Ratio | Cholesterol risk factor | Cholesterol lowering factor |
|---|---|---|---|---|---|---|---|---|---|
| Calcium level | |||||||||
| 3.5% Ca | 183 | 150a | 57.6 | 29.9a | 95.7 | 2.62a | 1.68 | 1.92 | 3.21 |
| 4.0% Ca | 180 | 140b | 57.6 | 26.6b | 95.4 | 2.32b | 1.67 | 1.89 | 3.14 |
| 4.5% Ca | 185 | 133ab | 62.4 | 27.9ab | 95.3 | 2.24b | 1.54 | 1.95 | 2.99 |
| VD3 level | |||||||||
| 800 IU | 182 | 142 | 58.5 | 28.3 | 95.5 | 2.43 | 1.64 | 1.91 | 3.13 |
| 1,000 IU | 183 | 142 | 59.7 | 28.4 | 94.9 | 2.39 | 1.61 | 1.93 | 3.09 |
| 1,200 IU | 183 | 139 | 58.4 | 27.8 | 95.9 | 2.35 | 1.64 | 1.91 | 3.11 |
| Interaction Ca × VD3 effect | |||||||||
| 3.5 800 | 182 | 149 | 55.6 | 29.7 | 97.1 | 2.69 | 1.76 | 1.89 | 3.30 |
| 3.5 1,000 | 183 | 154 | 57.9 | 30.7 | 94.4 | 2.68 | 1.64 | 1.94 | 3.17 |
| 3.5 1,200 | 184 | 147 | 59.3 | 29.4 | 95.7 | 2.49 | 1.64 | 1.93 | 3.14 |
| 4.0 800 | 182 | 138 | 58.7 | 27.5 | 95.3 | 2.34 | 1.62 | 1.91 | 3.09 |
| 4.0 1,000 | 179 | 133 | 56.8 | 26.5 | 95.8 | 2.34 | 1.71 | 1.88 | 3.18 |
| 4.0 1,200 | 178 | 129 | 57.3 | 25.9 | 95.1 | 2.27 | 1.68 | 1.88 | 3.14 |
| 4.5 800 | 183 | 139 | 61.2 | 27.7 | 94.1 | 2.26 | 1.55 | 1.94 | 2.99 |
| 4.5 1,000 | 187 | 140 | 64.5 | 27.9 | 94.8 | 2.17 | 1.49 | 1.98 | 2.93 |
| 4.5 1,200 | 187 | 141 | 61.6 | 28.2 | 96.9 | 2.29 | 1.58 | 1.92 | 3.04 |
| Statistical variance | |||||||||
| SEM | 4.485 | 5.974 | 2.711 | 1.195 | 3.258 | 0.091 | 0.101 | 0.053 | 0.111 |
| P-values | |||||||||
| Ca | 0.253 | 0.007 | 0.058 | 0.007 | 0.986 | 0.001 | 0.184 | 0.372 | 0.069 |
| VD3 | 0.971 | 0.844 | 0.857 | 0.844 | 0.941 | 0.550 | 0.931 | 0.867 | 0.911 |
| Interaction | 0.924 | 0.847 | 0.778 | 0.847 | 0.954 | 0.544 | 0.811 | 0.905 | 0.771 |
Means in the same column under the same effect with different superscripts significantly different (P < 0.05). SEM. standard error of the means; Cho, cholesterol; Trig, triglycerides; HDL, high density lipoprotein; vLDL, very low density lipoprotein; LDL, low density lipoprotein; Trig:HDL ratio, triglycerlide:high density lipoprotein ratio, LDL:HDL ratio, low density lipoprotein:high density lipoprotein ratio.