Comparative investigations of sensitivity and specificity of immunoenzyme probe and inhibition hemagglutination test in serological diagnostics of newcastle disease in poultry
2009
Milić Nenad | Nišavić Jakov | Radojičić Marina | Šekler Marina | Matović Kazimir | Vidanović Dejan
Comparative investigations of the sensitivity and specificity of the indirect immunoenzyme probe - iELISA and the hemagglutination inhibition test (HI test) in serological diagnostics of the Newcastle disease in poultry were carried out using samples of blood serum taken from non-vaccinated and vaccinated poultry. A total of 14 samples of blood serum from non-vaccinated poultry were examined using the immunoenzyme probe - iELISA, and nine of these were found to be positive to the presence of specific antigen against the Newcastle disease virus, while two samples were suspect, and no presence of specific antibodies was established in three samples. Examinations of 82 samples of blood serum from vaccinated poultry for the presence of specific antibodies against the Newcastle disease virus established their presence in 80 serum samples, while one sample was suspect and one sample was negative. The values of the titer of specific antibodies in blood serum samples of vaccinated and non-vaccinated poultry established using the hemagglutination inhibition test (HI test) ranged from 1:2 to 1:32.
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