Newcastle disease virus vaccine strains: immunogenicity is not influenced by ICPI
Intracerebral pathogenicity index (ICPI) and mean death time (MDT) were determined using commercial live vaccines against Newcastle disease available in Brazil. The ICPI profiles obtained for B1 vaccine strains were nonvirulent and varied from 0 to 0.19, and their MDT was 104-116 hours. The LaSota s...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Fundação APINCO de Ciência e Tecnologia Avícolas
2009-06-01
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| Series: | Brazilian Journal of Poultry Science |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2009000200009 |