Groups

HI antibody titer (log2)

Day 21
(n=8)

Day 45
(n=12)

Control (DW)

7.37 ± 0.49

8.25 ± 0.42ab

Imidacloprid

5.75 ± 0.25

6.5 ± 0.15c

Imidacloprid + Vit E and Selenium

7.00 ± 0.59

7.50 ± 0.15b
Values indicate mean ± S.E
Means ± S.E. within a column lacking a common superscript differ at P<0.05
Table 1: Effect of chronic oral administration of imidacloprid (5 mg/kg bw) on humoral immunity in broiler chickens on day 21 and 45 and the ameliorating effect of vitamin E and selenium (5 mg/kg bw + 200 mg/kg feed).