Table 5.
Effects of L. paracasei LK01 on immunity and antioxidant indices in laying hens.
| Items | CON | LLP | MLP | HLP | p-value |
|---|---|---|---|---|---|
| IgA (ng/mL) | 246.73 ± 10.16 | 277.48 ± 11.57 | 271.80 ± 16.38 | 260.69 ± 2.23 | 0.225 |
| IgG (μg/mL) | 4.94 ± 0.28 | 5.70 ± 0.51 | 5.89 ± 0.32 | 6.09 ± 0.51 | 0.117 |
| IgM (ng/mL) | 309.90 ± 14.69 | 276.45 ± 23.70 | 278.42 ± 20.22 | 264.41 ± 20.94 | 0.196 |
| T-AOC (U/L) | 89.15 ± 4.27a | 111.73 ± 2.259b | 108.5 ± 2.48b | 118.82 ± 2.85b | <0.001 |
| GSH-Px (mIU/mL) | 11.51 ± 0.83 | 10.62 ± 0.96 | 10.51 ± 0.75 | 12.22 ± 0.68 | 0.304 |
| T-SOD (U/mL) | 11.91 ± 0.86 | 11.62 ± 0.91 | 12.98 ± 1.56 | 11.41 ± 0.99 | 0.472 |
| MDA (nmol/L) | 5.33 ± 0.18a | 5.09 ± 0.33ab | 4.42 ± 0.16b | 4.83 ± 0.38b | 0.009 |
| IL-1β (pg/mL) | 178.61 ± 6.56 | 165.38 ± 5.13 | 160.64 ± 4.82 | 173.80 ± 7.29 | 0.168 |
| IL-2 (pg/mL) | 170.43 ± 7.37a | 128.14 ± 5.14b | 147.38 ± 8.98ab | 141.77 ± 8.94b | 0.003 |
| IL-6 (pg/mL) | 110.60 ± 2.75a | 107.93 ± 4.81ab | 97.28 ± 4.69bc | 91.11 ± 2.85c | <0.001 |
| TNF-α (pg/mL) | 269.61 ± 7.64a | 264.93 ± 10.16a | 249.93 ± 6.52ab | 232.55 ± 1.43b | <0.001 |
CON, control, basal diet; LLP, basal diet + 106 CFU/kg L. paracasei LK01; MLP, basal diet + 107 CFU/kg L. paracasei LK01; HLP, basal diet + 108 CFU/kg L. paracasei LK01. Different letters in the same row indicate significant differences (p < 0.05). Results are expressed as mean ± standard error of the mean (SEM). n = 8.