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Table 4 The titer of HI antibody of all birds immunized with different vaccines using the LaSota antigen

From: Characterization of emerging Newcastle disease virus isolates in China

  Number of chicken Mean value
Group 1 2 3 4 5 6 7 8 9 10 11 12  
Oil- TC/1 6a 8 7 6 8 8 8 8 7 6 6 7 7.1
Oil-Las 7 7 6 9 8 7 7 7 6 7 9 6 7.2
Live-Las 7 7 7 8 7 8 6 7 6 6 7 8 7.0
Oil-TC/1 plus Live-Las 8 8 8 9 8 10 8 7 8 6 8 9 8.1
Oil-Las plus Live-Las 8 8 9 10 8 10 8 9 8 8 9 8 8.7
Un-inoculated control 0 0 0 0 0 0 0 0 0 0 0 0 0
Negative control 0 0 0 0 0 0 - - - - - - 0
  1. aThe titer of HI antibody was expressed on a log 2 scale. All chickens (n = 6) in the negative control group had no clinical signs during the course of the experiment