Table 3.
Effect of feeding system on oxidative and immune parameters.
| Item | Measure Unit | Housing | Grazing | SEM 1 | p |
|---|---|---|---|---|---|
| Oxidative status | |||||
| ROMs | U. Carr. | 61.7 | 87.3 | 8.10 | 0.0426 |
| BAP | Log microEq/L | 3.46 | 3.41 | 0.016 | 0.1082 |
| Immune parameters | |||||
| Antibody titre | OD 450 nm | 1.22 | 1.19 | 0.021 | 0.323 |
| Skin fold thickness (mm) 2 | day 1 | 4.17 a | 4.10 ab | 0.455 | 0.1269 |
| day 62 | 3.00 b | 4.50 a | |||
1 SEM = standard error of mean. 2 Recorded at the start (day-1) and end (day-62) of the experiment after injection of PHA-P; the interaction between feeding system and day of measurement (FS × DM) was significant (p = 0.0315); among interaction means: a, b = p ≤ 0.05.