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...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
Fundação APINCO de Ciência e Tecnologia Avícolas
2007-06-01
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Series: | Brazilian Journal of Poultry Science |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2007000200008 |