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- Carcia, Stivalis Cardenas, et al. Show all 8 Authors
- Avian diseases 2017 v.61 no.2 pp. 245-249
- Newcastle disease; Newcastle disease virus; chickens; dose response; immune system; immunity; morbidity; mortality; neutralizing antibodies; vaccines; virulence; virulent strains
- ... Globally, poultry producers report that birds well-vaccinated for Newcastle disease (ND) often present clinical disease and mortality after infection with virulent strains of Newcastle disease (vNDV), which is contrary to what is observed in experimental settings. One hypothesis for this discrepancy is that the birds in the field may be exposed to multiple successive challenges with vNDV, rather t ...