Table 3. Calculation of MDT of NDV field isolate-1.

From: RT-PCR based detection and pathotypical characterization of Newcastle disease virus isolated from layer chickens in Mymensingh, Bangladesh

 

Dilution

     No  of  eggs infected on time (hours)

 

MDT

 

Pathotype

24

32

48

60

72

84

96

10-1

0

2

3

5

   

54.34

Velogenic

10-2

0

1

3

5

   

10-3

0

1

2

5

   

10-4

0

1

3

5

   

10-5

0

1

3

5

   

10-6

0

0

2

4

5

  

10-7

0

1

2

4

5

  

10-8

0

0

1

2

3

3

4

10-9

0

0

0

1

1

1

2

 

[stm-calc id="1576"]