Table 7.
Immune response mean (±SEM) after vaccination (influenza and Newcastle) of Ross 308 broilers fed diets containing 0, 1, 2, and 3% thyme (T3) and sumac from days 29–42.
| Antibody Titer Against Last Injection of Newcastle Disease (lg2) | Antibody Titer Against Avian Influenza (lg2) | ||
|---|---|---|---|
| Treatment | |||
| Control | 3.25c | 2.50c | |
| 1% Thyme (T1) | 5.50ab | 2.50c | |
| 2% Thyme (T2) | 6.00ab | 3.00bc | |
| 3% Thyme (T3) | 7.25a | 4.75a | |
| 1% Sumac (S1) | 4.75bc | 4.00abc | |
| 2% Sumac (S2) | 5.75ab | 6.00bc | |
| 3% Sumac (S3) | 4.75bc | 5.75ab | |
| Standard Error of Mean | 4.252 | 3.474 | |
| p-Value | 0.006 | 0.01 | |
* In columns with superscripts, means without a common superscript differ significantly at p < 0.05.