Avian metapneumovirus excretion in vaccinated and non-vaccinated specified pathogen free laying chickens

Vaccinated and non-vaccinated specified pathogen-free White Leghorn laying chickens were challenged at peak of lay by the intravenous or oculonasal route with a virulent avian metapneumovirus (aMPV) subtype B chicken strain. Severe clinical signs and a drop in egg production were induced in the non-...

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Veröffentlicht in:	Avian pathology 2004-02, Vol.33 (1), p.35-40
Hauptverfasser:	Hess, M, Huggins, M.B, Mudzamiri, R, Heincz, U
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Chickens disease detection Feces - virology Female laying hens metabisulfites metapneumovirus Metapneumovirus - immunology Metapneumovirus - isolation & purification Metapneumovirus - pathogenicity Oviposition - drug effects Paramyxoviridae Infections - immunology Paramyxoviridae Infections - prevention & control Paramyxoviridae Infections - veterinary Pathogens Poultry Poultry Diseases - immunology Poultry Diseases - prevention & control Random Allocation reverse transcriptase polymerase chain reaction Reverse Transcriptase Polymerase Chain Reaction - veterinary RNA, Viral - isolation & purification Specific Pathogen-Free Organisms Time Factors vaccination Vaccines Viral Vaccines - administration & dosage Virulence Virus Shedding Viruses Waste materials
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