TABLE 3.
Effects of dietary Se concentrations on plasma and liver biochemical indicators of pigs fed the experimental diets for 16 wk1
| Measures | BD | +0.3 mg Se/kg | +3.0 mg Se/kg |
| Plasma Se, mmol/L | |||
| wk 0 | 0.03 ± 0.003 | 0.03 ± 0.01 | 0.03 ± 0.003 |
| wk16 | 0.02 ± 0.01a | 0.21 ± 0.01b | 0.51 ± 0.22c |
| Liver Se, nmol/g tissue | |||
| wk 16 | 0.1 ± 0.05a | 0.7 ± 0.06b | 2.6 ± 0.91c |
| Plasma Gpx, U/mg protein2 | |||
| wk 0 | 11.6 ± 1.2 | 11.2 ± 1.3 | 9.4 ± 1.6 |
| wk 8 | 5.0 ± 2.8a | 25.4 ± 2.6b | 28.5 ± 4.0b |
| wk16 | 6.3 ± 2.3a | 19.3 ± 2.7b | 25.7 ± 2.5c |
| Liver Gpx, U/mg protein | |||
| wk 16 | 28.6 ± 7.1a | 252 ± 67.3b | 220 ± 31.3b |
| Plasma glucose, mmol/L | |||
| wk 16 | 5.1 ± 0.1 | 5.6 ± 0.7 | 5.0 ± 0.2 |
| Plasma TG, mmol/L | |||
| wk 16 | 0.4 ± 0.05a | 0.8 ± 0.07b | 0.6 ± 0.09ab |
| Plasma insulin, pmol/L | |||
| wk 16 | 130 ± 3.5a | 132 ± 13.8a | 198 ± 31.2b |
1
Values are mean ± SE, = 4–6. Means in a row with superscripts without a common letter differ, P < 0.05.
2
The unit for the enzyme activity is defined as 1 μmol glutathione oxidized per min at 37°C.