Table 6.
Effects of stale maize on the serum immunity in broilers
| Items | CON1) | Stale maize1) | SEM | p-value |
|---|---|---|---|---|
| IgG (μg/mL) | ||||
| d 21 | 107a | 80.0b | 4.12 | 0.02 |
| d 42 | 113a | 86.2b | 4.03 | 0.03 |
| Lysozyme activity (μg/mL) | ||||
| d 21 | 2.28a | 1.42b | 0.08 | <0.01 |
| d 42 | 1.48 | 1.19 | 0.10 | 0.17 |
| ANAE+ (%) | ||||
| d 21 | 44.3a | 35.7b | 1.88 | 0.02 |
| d 42 | 58.3a | 45.2b | 2.41 | 0.03 |
| Lymphocyte proliferation (%) | ||||
| d 21 | 43.3a | 35.2b | 2.28 | 0.04 |
| d 42 | 45.4a | 37.7b | 2.02 | 0.03 |
| Avian Influenza antibody H5N1 titer, log2 | ||||
| d 21 | 2.18a | 1.39b | 0.16 | 0.03 |
| d 42 | 2.15 | 2.08 | 0.14 | 0.88 |
Means represent 20 cages of broilers with 4 birds per cage (n = 20/group).
SEM, standard error of the means; IgG, immunoglobin G; ANAE+, acid α-naphthylacetate esterase positive ratios.
1)
CON, basal diet; Stale maize, basal diet containing 100% stale maize.
a,b
Means with different superscripts in a row differ significantly (p<0.05).