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Table 2 Immunization schedule and challenge.

From: Deleting qseC downregulates virulence and promotes cross-protection in Pasteurella multocida

Groups

Bacterin (CFU/mL)

Primary immune dose (mL)

Booster dose (mL)

Booster day (dpi)

Challenge strain

Challenge day (dpi)

Live ΔqseC

4.5 × 107

0.1

  

PmCQ1, PmCQ2, PmCQ4, PmCQ5, PmB, PmF, PmP, PmQ, and PmR, respectively

21

PBS

 

0.1

  

PmCQ1, PmCQ2, PmCQ4, PmCQ5, PmB, PmF, PmP, PmQ, and PmR, respectively

21

Inactivated PmCQ2

5.0 × 109

0.2

0.1

7

PmCQ1, PmCQ2, PmCQ4, PmCQ5, PmB, PmF, PmP, PmQ, and PmR, respectively

21

Inactivated ΔqseC

5.0 × 109

0.2

0.1

7

PmCQ1, PmCQ2, PmCQ4, PmCQ5, PmB, PmF, PmP, PmQ, and PmR, respectively

21

PBS emulsifier

 

0.2

0.1

7

PmCQ1, PmCQ2, PmCQ4, PmCQ5, PmB, PmF, PmP, PmQ, and PmR, respectively

21

  1. dpi day after primary immunization.