Table 3 Serum antibody response against NDV following vaccination and survival of turkeys after challenge with a lethal dose of NDV/CA02.

From: Engineered Newcastle disease virus expressing the F and G proteins of AMPV-C confers protection against challenges in turkeys

Treatment

Antibody response

Survivors

Seropositive birds

HI titera

PBS

0/10b

0

0/10c

LaSota

10/10

4.8 ± 1.2

10/10

rLS/AMPV-C G

10/10

3.2 ± 1.7

10/10

rLS/AMPV-C F&G

10/10

3.9 ± 1.4

10/10

  1. aHemagglutination inhibition (HI) titer was expressed in log2 of the mean ± standard deviation.
  2. bNumber of seropositive birds/total number of birds tested.
  3. cNumber of died birds/total number of birds challenged.
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