Bilateral Effects of Vaccination Against Infectious Bursal Disease and Newcastle Disease in Specific-Pathogen-Free Layers and Commercial Broiler Chickens
Different infectious bursal disease virus (IBDV) live vaccines (intermediate, intermediate plus) were compared for their immunosuppressive abilities in specific-pathogen-free (SPF) layer-type chickens or commercial broilers. The Newcastle disease virus (NDV) vaccination model was applied to determin...
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Veröffentlicht in: | Avian diseases 2007-03, Vol.51 (1), p.14-20 |
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Sprache: | eng |
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