Table 5.
Immune response after vaccination against Newcastle (Nv) and influenza virus (Iv) and after sheep red blood cells (SRBC) in Ross 308 broilers fed diets with different inclusions of Aspergillus oryzae meal (AO), 0 g/kg (control), 2 g/kg (AO2), and 4 g/kg (AO4), from 1 to 14 days of age (starter), from 15 to 28 days of age (grower), from 29 to 42 days of age (finisher), and from 1 to 42 days of age (entire period)
Nv 1 day age | Nv 35 days age | Nv 42 days age | Iv 1 day age | Iv 35 days age | Iv 42 days age | Ig1 Total 28 days age | Ig G 28 days age | Ig M 28 days age | Ig Total 42 days age | Ig G 42 days age | Ig M 42 days age | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Control | 3.66a | 3.00c | 4.00a | 3.00a | 1.33c | 1.30a | 2.09b | 1.66a | 1.10b | 6.35b | 5.63a | 0.78c |
AO2-starter | 4.10a | 3.95b | 4.23a | 3.50a | 1.90b | 1.78a | 3.26ab | 1.46a | 1.45ab | 6.78ab | 5.66a | 1.75abc |
AO2-grower | 3.96a | 3.20ab | 3.33a | 3.66a | 2.36ab | 2.00a | 3.20ab | 1.48a | 1.52ab | 6.90ab | 6.00a | 1.85ab |
AO2-finisher | 4.00a | 3.66bc | 3.66a | 3.70a | 2.30ab | 1.70a | 2.15b | 1.60a | 1.00b | 7.25a | 6.78a | 2.15a |
AO2-entire period | 4.10a | 4.56a | 4.45a | 3.50a | 3.60a | 1.56a | 3.35ab | 1.50a | 1.80a | 7.30a | 6.46a | 2.50a |
AO4-starter | 4.00a | 3.90b | 4.23a | 3.64a | 2.35ab | 1.80a | 3.31ab | 1.38a | 1.48b | 6.85ab | 5.50a | 1.55abc |
AO4-grower | 3.90a | 4.13ab | 3.43a | 3.65a | 3.60a | 1.50a | 3.27b | 1.53a | 1.56ab | 6.80ab | 5.95a | 1.83ab |
AO4-finisher | 4.00a | 3.70bc | 3.50a | 3.40a | 2.60ab | 1.80a | 2.13b | 1.47a | 1.05b | 7.42a | 6.32a | 2.10a |
AO4-entire period | 4.00a | 4.45a | 4.56a | 3.70a | 3.66a | 2.00a | 3.38a | 1.63a | 1.76a | 7.46a | 6.67a | 2.45a |
SEM | 0.50 | 0.83 | 0.43 | 0.40 | 0.35 | 0.40 | 0.28 | 0.16 | 0.22 | 0.55 | 0.42 | 0.29 |
Means within column and within main effect not sharing a common superscript letter differ significantly (P < 0.05)
1Immunoglobulin