Efficacy of combined killed-in-oil emulsion and live Newcastle disease vaccines in chickens

Following the introduction of routine vaccination regimes with different types of Newcastle disease (ND) vaccines, the incidence of velogenic viscerotropic Newcastle disease (VVND) in commercial poultry worldwide has declined dramatically. Unfortunately, these vaccination regimes are not feasible in...

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Veröffentlicht in:Avian diseases 1998-01, Vol.42 (1), p.173-178
Hauptverfasser: Folitse, R. (University of Minnesota, St. Paul, MN.), Halvorson, D.A, Sivanandan, V
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Sprache:eng
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