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Table 3 Serum bactericidal assay

From: Identification of the crp gene in avian Pasteurella multocida and evaluation of the effects of crp deletion on its phenotype, virulence and immunogenicity

Strains

Serum heat treatment

Growth ratea

Parent strain

-

16.4 ± 1.2

+

16.6 ± 0.8

S416 (Δcrp)

-

3.0 ± 0.3b

+

10.7 ± 0.4

S416 (pQK176)

-

11.1 ± 0.8

+

12.1 ± 1.0

  1. a, The data are means and SD of three independent experiments
  2. b, The difference in sensitivity between S416 in heated or unheated serum was determined to be very significant (p < 0.01)