Table 1.
Cu and Zn mean concentrations in blood (mg/L), liver (mg/kg fresh weight), and bile (mg/L) in the experimental groups before and at the end of the study.
| Experimental Groups * | |||||||
|---|---|---|---|---|---|---|---|
| C | Cu | Zn-35 | Zn-150 | Zn-300 | RMSE | p | |
| Blood | |||||||
| Cu prior experiment | 0.477 | 0.540 | 0.614 | 0.604 | 0.586 | 0.118 | 0.187 |
| Cu end experiment | 0.592 a | 0.827 b | 0.856 b | 0.855 b | 0.948 b | 0.319 | 0.001 |
| Zn prior experiment | 1.167 | 1.323 | 1.297 | 1.461 | 1.125 | 0.232 | 0.075 |
| Zn end experiment | 2.650 | 2.553 | 2.570 | 2.718 | 2.438 | 0.52 | 0.867 |
| Liver | |||||||
| Cu prior experiment | 52.5 | 58.9 | 61.3 | 61.2 | 66.0 | 31.3 | 0.946 |
| Cu end experiment | 88.0 a | 817 b | 769 b | 746 b | 492 a | 332 | 0.001 |
| Zn prior experiment | 47.7 | 39.3 | 44.5 | 38.3 | 44.7 | 10.4 | 0.370 |
| Zn end experiment | 32.6 a | 59.3 b | 61.7 b | 59.2 b | 62.4 b | 15.7 | 0.004 |
| Bile | |||||||
| Cu prior experiment | 0.217 | 0.117 | 0.194 | 0.146 | 0.102 | 0.118 | 0.384 |
| Cu end experiment | 0.350 a | 2.088 b | 2.225 b | 2.138 b | 1.938 b | 1.39 | 0.017 |
| Zn prior experiment | 1.055 | 0.578 | 0.714 | 0.442 | 0.457 | 0.602 | 0.307 |
| Zn end experiment | 1.381 | 1.003 | 0.891 | 0.977 | 0.920 | 0.564 | 0.432 |
* Experimental groups: C: control group; Cu: 450 mg Cu/kg dry matter (DM); Zn-35: 450 mg Cu + 35 mg Zn/kg DM; Zn-150: 450 mg Cu + 150 mg Zn/kg DM; Zn-300: 450 mg Cu + 300 mg Zn/kg DM. Lowercase letter in the same line indicate statistical difference between groups.. RMSE: root mean square error.