Passive West Nile virus antibody transfer from maternal Eastern Screech-Owls (Megascops asio) to progeny

Avian Diseases
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Abstract

Transovarial antibody transfer in owls has not been demonstrated for West Nile virus (WNV). We sampled chicks from captive adult WNV-antibody-positive Eastern Screech-Owls (Megascops asio) to evaluate the prevalence of transovarial maternal antibody transfer, as well as titers and duration of maternal antibodies. Twenty-four owlets aged 1 to 27 days old circulated detectable antibodies with neutralizing antibody titers ranging from 20 to 1600 (median 1:40). Demonstrating that WNV antibodies are passively transferred transovarially is important for accurate interpretation of serologic data from young birds.
Publication type Article
Publication Subtype Journal Article
Title Passive West Nile virus antibody transfer from maternal Eastern Screech-Owls (Megascops asio) to progeny
Series title Avian Diseases
DOI 10.1637/7509-012606R1.1
Volume 50
Issue 3
Year Published 2006
Language English
Contributing office(s) Patuxent Wildlife Research Center
Description 454-455
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Avian Diseases
First page 454
Last page 455
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