Table 8.
Effects of natural capsicum extract on immune indices of broilers.
| Item | CON | CTC | NCE | SEM | P-value |
|---|---|---|---|---|---|
| IgA (g/L) | 4.27 | 4.25 | 4.33 | 0.08 | 0.73 |
| IgG (g/L) | 2.28 | 2.25 | 2.35 | 0.04 | 0.23 |
| IgM (g/L) | 1.65 | 1.68 | 1.68 | 0.04 | 0.78 |
| TNF-α (pg/mL) | 51.73a | 39.33b | 42.13b | 1.63 | < 0.01 |
| IL-1β (pg/mL) | 26.97a | 19.97b | 20.80b | 1.60 | 0.01 |
a,bValues with different superscripts within the same row indicate a significant difference at P < 0.05.
Abbreviations: CON, control; CTC, antibiotic (chlortetracycline); NCE, natural capsicum extract; IgA, immunoglobulin A; IgG, immunoglobulin G; IgM, immunoglobulin M; IL-1β, interleukin1β; TNF-α, tumor necrotic factor-α; SEM, pooled standard error of the means.