Addition to standardization of hemagglutination inhibition micro test (micro HI) for Newcastle disease virus (NDV): [ratio of some HI-antibodies titers height and protection degree of poultry infected by various ways]

Estimation of poultry protection from Newcastle disease is based most commonly on the height of HI antibody titer. It is consider that titer of 1:8 (3 log2) is sufficient for vaccinated chickens, to give protection against infection with Newcastle disease (Meuleamus 1988; Knezevic 1988). In these pa...

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Bibliographic Details
Published inZivinarstvo (Yugoslavia) Vol. 36; no. 3-4
Main Author Knezevic, N. (Veterinarski zavod Zemun, Beograd - Zemun (Yugoslavia))
Format Journal Article
LanguageSerbian
Published 2001
Subjects
AVES DE CORRAL
EPREUVE D'HEMAGGLUTINATION
HAEMAGGLUTINATION TESTS
NEWCASTLE DISEASE VIRUS
POULTRY
PRUEBAS DE HEMAGLUTINACION
VIRUS DE LA ENFERMEDAD DE NEWCASTLE
VIRUS MALADIE DE NEWCASTLE
VOLAILLE
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Summary:Estimation of poultry protection from Newcastle disease is based most commonly on the height of HI antibody titer. It is consider that titer of 1:8 (3 log2) is sufficient for vaccinated chickens, to give protection against infection with Newcastle disease (Meuleamus 1988; Knezevic 1988). In these papers are presented results which compare individual HI antibody titers and level of surviving animals infected with neuropathogen velogen strain of Newcastle disease virus which are administered intramuscular and/or intranasal. It is concluded that estimation of vaccinated poultry protection against Newcastle disease depends from the height of antibody titer, but also from: a. type of admininstered vaccine; b. way of administration; c. timing between vaccination and infection; d. age of poultry; e. epizootiological situation on the field.
Bibliography:L70
L73
2001000657
ISSN:0354-4036