Table 4 Determination of median lethal dose of crucian infected with A.caviae.

From: An inactivated bivalent vaccine effectively protects Carassius auratus against Aeromonas caviae and Aeromonas veronii

Grouping

Dosage

Predestination

Number of deaths

Death rate

CFU/ml

1

2

3

4

5

6

7

(strip)

(%)

1

1 × 108

3

4

2

1

0

0

0

10

100

2

1 × 107

3

3

2

0

1

0

0

8

80

3

1 × 106

1

2

2

1

0

0

0

6

60

4

1 × 105

0

1

0

1

0

0

0

2

20

5

1 × 104

0

0

0

0

0

0

0

0

0

6

1 × 103

0

0

0

0

0

0

0

0

0

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