The antibody responses in the tracheal larvage of chickens immunized with vaccines.
(1) rOmpH + ODN via intranasal route, (2) rOmpH + LTB via intranasal route, (3) rOmpH
+ Freund’s incomplete adjuvant via intramuscular route, (4) DLD bacterin vaccine via
intramuscular route, (5) ODN via intranasal route, (6) LTB via intranasal route and
(7) rOmpH without adjuvant via intranasal route. The data were calculated as described
in the test kit’s manual and presented as the log mean end-point titers, and the bars
indicate the standard error of the means.