Table 3.
Effects of CHS and OH-SeMet supplementation on carcass traits of growing pigs.
| CON | CHS | CHS + Se0.2 | CHS + Se0.4 | CHS + Se0.6 | p-Value | |
|---|---|---|---|---|---|---|
| Carcass length (cm) | 89.07 ± 1.25 a | 84.37 ± 1.49 b | 87.93 ± 1.46 ab | 84.73 ± 0.81 b | 84.63 ± 0.97 b | 0.030 |
| Carcass weight (kg) | 54.53 ± 1.09 a | 47.96 ± 0.83 b | 50.56 ± 1.31 ab | 50.63 ± 1.75 ab | 51.76 ± 1.13 ab | 0.020 |
| Kill-out (%) | 69.86 ± 0.83 | 69.70 ± 0.62 | 71.28 ± 0.49 | 68.68 ± 0.95 | 70.42 ± 0.82 | 0.207 |
| Lean proportion (%) | 48.63 ± 0.35 a | 41.50 ± 1.38 b | 42.57 ± 1.35 b | 44.23 ± 1.41 ab | 42.25 ± 0.55 b | 0.001 |
| Abdominal fat (%) | 0.96 ± 0.08 | 0.73 ± 0.12 | 0.83 ± 0.14 | 0.69 ± 0.11 | 0.72 ± 0.11 | 0.447 |
| Backfat (mm) | 20.11 ± 1.14 | 18.26 ± 1.63 | 18.16 ± 0.35 | 17.72 ± 1.18 | 19.84 ± 0.31 | 0.403 |
| Eye-muscle area (cm2) | 53.96 ± 2.23 | 50.74 ± 2.38 | 49.82 ± 2.17 | 54.35 ± 1.80 | 52.67 ± 1.89 | 0.711 |
Data are expressed as Means ± SEM, n = 6 in each group. CON, control group fed a basal diet; CHS, chronic heat stress group fed a basal diet; CHS+ Se 0.2, 0.4 and 0.6 mg/kg; a, b Means in the same row not bearing the same superscript alphabet letters differ significantly (p < 0.05).