Table 4.
Effects of dietary supplementation of LQ on immune status in broilers.1
| Items2 | Treatment3 |
SEM | P value | ||
|---|---|---|---|---|---|
| CON | AGP | LQ | |||
| IgA (g/L) | 0.80b | 0.84b | 1.12a | 0.07 | 0.02 |
| IgG (g/L) | 5.45b | 6.10b | 7.45a | 0.44 | 0.02 |
| IgM (g/L) | 0.78 | 0.78 | 0.75 | 0.06 | 0.91 |
| TNF-ɑ (pg/mL) | 72.40 | 69.07 | 79.10 | 3.73 | 0.19 |
| IFN-γ (pg/mL) | 66.02 | 59.04 | 57.99 | 3.08 | 0.17 |
| IL-1β (pg/mL) | 33.19 | 33.07 | 30.63 | 1.52 | 0.43 |
a,b
Values in the same row with different superscripts were significantly different (P < 0.05) while with same superscripts were insignificantly different (P > 0.05).
1
Values are expressed as means with SEM.
2
Abbreviations: IgA, Immunoglobulin A; IgG, Immunoglobulin G; IgM, Immunoglobulin M; IFN-γ, Interferon-γ; IL-1β, Interleukin-1β; TNF-ɑ, tumor necrosis factor-ɑ.
3
CON, broilers fed a basal diet; AGP, broilers fed a basal diet supplemented with 45 mg/kg chlortetracycline (15%) and 10 mg/kg kitasamycin (45%); LQ, broilers fed a basal diet supplemented with 50 mg/kg Lactobacillus (1 × 1012 CFU/g) and 500 mg/kg quorum quenching enzyme (10,000 IU /g).