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Table 3 LD50 calculations.

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

ΔqseC

Infection dose (CFU)

3.72 × 108

4.46 × 107

4.46 × 106

4.46 × 104

Death/Total mice

9/10

3/10

1/10

2/10

LD50 = 5.28 × 107 CFU

C-qseC

Infection dose (CFU)

3.80 × 106

3.80 × 104

3.80 × 103

3.80 × 102

Death/Total mice

9/10

6/10

4/10

0/10

LD50 = 2.48 × 104 CFU

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Veterinary Research

ISSN: 1297-9716