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Table 2 LD50 of wild-type and mutant strains

From: Iron-regulated gene ireA in avian pathogenic Escherichia coli participates in adhesion and stress-resistance

Challenge dose (CFU/ml)

Duck mortality

DE205B

DE205BΔireA

DE205BCΔireA

108

7/7

7/7

7/7

107

7/7

7/7

7/7

106

6/7

6/7

6/7

105

3/7

2/7

1/7

LD50

1.74 × 105

2.45 × 105

3.16 × 105

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BMC Veterinary Research

ISSN: 1746-6148

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