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Table 5 Neutralization titres of chicken immunized with different vaccine combinations using NDV/Chicken/TC/1/2011 strain as an antigen

From: Characterization of emerging Newcastle disease virus isolates in China

 

Serum of chicken

Vaccine groupa

1

2

3

4

5

6

7

8

9

10

11

12

Oil-TC/1

128

256

256

64

256

256

256

256

128

64

128

128

Oil-Las

64

64

32b

64

64

64

64

64

64

64

128

16b

Live-Las

64

64

64

64

64

128

32b

64

16b

32b

64

64

Oil-TC/1 plus Live-Las

64

64

64

128

256

128

128

128

128

256

256

256

Oil-Las plus Live-Las

64

64

128

256

128

128

128

128

32b

64

128

128

  1. aThe neutralization titer was undetectable in both un-inoculated and negative control group chickens
  2. bdeath