Newcastle disease in white Pekin ducks: response to experimental vaccination and challenge

A total of 120 Pekin ducks were distributed at random into four experimental groups, vaccinated or not against Newcastle disease (ND): G1 (Ulster 2C strain), G2 (B1 strain), G3 (LaSota strain), and G4 (nonvaccinated group). At 60 days of age, all groups were challenged with a pathogenic ND virus (ND...

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Bibliographic Details
Main Authors: M Nishizawa, AC Paulillo, LSO Nakaghi, AD Nunes, JM Campioni, L Doretto Júnior
Format: Article
Language:English
Published: Fundação APINCO de Ciência e Tecnologia Avícolas 2007-06-01
Series:Brazilian Journal of Poultry Science
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2007000200008