TABLE 4.

Results for chick infection models of avian colibacillosis

StrainMean lesion score for subcutaneous modelaMean lesion score for intratracheal modela
DH5α0b0f
APEC O18.33c7.08c
ExPEC 4083.08d3.50d
408.10.58e0.17f
408.22.50d2.33d
  • a The range of lesion scores was 0 to 10.

  • b Significantly different (P < 0.05) than the scores for APEC O1, ExPEC 408, 408.1, and 408.2.

  • c Significantly different (P < 0.05) than the scores for DH5α, ExPEC 408, 408.1, and 408.2.

  • d Significantly different (P < 0.05) than the scores for DH5α, APEC O1, and 408.1.

  • e Significantly different (P < 0.05) than the scores for DH5α, APEC O1, ExPEC 408, and 408.2.

  • f Significantly different (P < 0.05) than the scores for APEC O1, ExPEC 408, and 408.2.