| Diagnosis of a naturally occurring dual infection of layer chickens with fowlpox virus and gallid herpesvirus 1 (infectious laryngotracheitis virus). | |
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MedLine Citation:
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PMID: 20390533 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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An outbreak of acute respiratory disease in layers was diagnosed as being of dual nature due to fowlpox and infectious laryngotracheitis using a multidisciplinary approach including virus isolation, histopathology, electron microscopy and polymerase chain reaction (PCR). The diagnosis was based on virus isolation of gallid herpesvirus 1 (GaHV-1) in chicken kidney cells and fowlpox virus (FWPV) in 9-day-old chicken embryonated eggs inoculated via the chorioallantoic membrane. The histopathology of tracheas from dead birds revealed intra-cytoplasmic and intra-nuclear inclusions suggestive of poxvirus and herpesvirus involvement. The presence of FWPV was further confirmed by electron microscopy, PCR and histology. All FWPV isolates contained the long terminal repeats of reticuloendotheliosis virus as demonstrated by PCR. GaHV-1 isolates were detected by PCR and were shown to have a different restriction fragment length polymorphism pattern when compared with the chicken embryo origin SA2 vaccine strain; however, they shared the same pattern with the Intervet chicken embryo origin vaccine strain. This is a first report of dual infection of chickens with GaHV-1 and naturally occurring FWPV with reticuloendotheliosis virus insertions. Further characterization of the viruses was carried out and the results are reported here. |
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Authors:
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Ibrahim S Diallo; Jim Taylor; John Gibson; John Hoad; Amanda De Jong; Glen Hewitson; Bruce G Corney; Barry J Rodwell |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Avian pathology : journal of the W.V.P.A Volume: 39 ISSN: 1465-3338 ISO Abbreviation: Avian Pathol. Publication Date: 2010 Feb |
Date Detail:
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Created Date: 2010-04-14 Completed Date: 2010-07-20 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8210638 Medline TA: Avian Pathol Country: England |
Other Details:
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Languages: eng Pagination: 25-30 Citation Subset: IM |
Affiliation:
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Biosecurity Sciences Laboratory, Queensland Primary Industries and Fisheries, Department of Employment, Economic Development and Innovation Locked Bag 4, Moorooka, Australia. Ibrahim.diallo@dpi.qld.gov.au |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animal Husbandry Animals Base Sequence Chickens DNA, Viral Fowlpox / complications, diagnosis, virology Fowlpox virus / genetics*, isolation & purification Herpesviridae Infections / complications, diagnosis, veterinary*, virology Herpesvirus 1, Gallid / genetics*, isolation & purification Intranuclear Inclusion Bodies Molecular Sequence Data Mutagenesis, Insertional Polymorphism, Restriction Fragment Length Respiratory Tract Infections / diagnosis, veterinary*, virology Reticuloendotheliosis virus / genetics* Sequence Alignment Terminal Repeat Sequences Trachea / pathology, virology Viral Vaccines / genetics |
| Chemical | |
Reg. No./Substance:
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0/DNA, Viral; 0/Viral Vaccines |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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