Test viruses H. Atiter EID50 u/ml MD Thours ICPI IVPI Thermostability of
Haemagglutinins
Rate of Elution Agglutination of mammalian
RBC
PFU in CEF
(PFU/ml)
Field virus
isolate
64 107.14 46 1.74 2.01 inactivated at 60°C within
15 minutes
rapideluter Agglutinates mammalian RBC
except equine RBC
5.39×106
BOM-Iisolate 512 108.3 38 1.8 2.63 inactivated at 60°C within
30 minutes
rapideluter Agglutinates mammalian RBC
except equine RBC
6.35×106
Table 1: Showing the comparison of the biological characteristics of field virus isolate and BOM-I isolate.