Groups M. hyopneumoniae antibody (ng/mL)
Control (PBS) 28.50 ± 1.72 33.86 ± 2.41
C501 (pYA-P97R1N) i.m. 194.64 ± 4.47a 218.02 ± 12.74a
C501 (pYA-P97R1N) orally 165.65 ± 5.51a 214.12 ± 7.92a
168 strain i.m. 204.62 ± 7.57a 181.72 ± 8.26a
168 strain orally 94.76 ± 3.1a 122.77 ± 9.64a
Serum samples were collected on day 14 and day 42 to determine the M. hyopneumoniae whole cell-specific antibody titers for primary and secondary immune responses, respectively.
aDifferent superscript indicates a significantly different from each other at the same day (p < 0.05 as calculated by student’s t test).
Table 1: Antibody 1 responses to M. hyopneumoniae in vaccinated mice.