Increased virulence of modified-live infectious laryngotracheitis vaccine virus following bird-to-bird passage
Modified-live (ML) infectious laryngotracheitis (ILT) vaccine viruses, both tissue-culture-origin (TCO) and chicken-embryo-origin (CEO), were passaged 20 times in specific-pathogen-free chickens. After serial bird-to-bird passage, increased virulence was observed for CEO virus but not TCO virus. Inc...
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| Veröffentlicht in: | Avian diseases 1991-04, Vol.35 (2), p.348-355 |
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| container_title | Avian diseases |
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| creator | Guy, J.S. (North Carolina State University, Raleigh, NC) Barnes, H.J Smith, L |
| description | Modified-live (ML) infectious laryngotracheitis (ILT) vaccine viruses, both tissue-culture-origin (TCO) and chicken-embryo-origin (CEO), were passaged 20 times in specific-pathogen-free chickens. After serial bird-to-bird passage, increased virulence was observed for CEO virus but not TCO virus. Increased mortality and increased severity and duration of respiratory disease were observed in chickens inoculated with chicken-passaged CEO viruses; only mild respiratory disease (no mortality) occurred in chickens inoculated with chicken-passaged TCO viruses. These findings suggest that ML ILT vaccine viruses may increase in virulence after bird-to-bird passage |
| doi_str_mv | 10.2307/1591188 |
| format | Article |
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(North Carolina State University, Raleigh, NC) ; Barnes, H.J ; Smith, L</creator><creatorcontrib>Guy, J.S. (North Carolina State University, Raleigh, NC) ; Barnes, H.J ; Smith, L</creatorcontrib><description>Modified-live (ML) infectious laryngotracheitis (ILT) vaccine viruses, both tissue-culture-origin (TCO) and chicken-embryo-origin (CEO), were passaged 20 times in specific-pathogen-free chickens. After serial bird-to-bird passage, increased virulence was observed for CEO virus but not TCO virus. Increased mortality and increased severity and duration of respiratory disease were observed in chickens inoculated with chicken-passaged CEO viruses; only mild respiratory disease (no mortality) occurred in chickens inoculated with chicken-passaged TCO viruses. These findings suggest that ML ILT vaccine viruses may increase in virulence after bird-to-bird passage</description><identifier>ISSN: 0005-2086</identifier><identifier>EISSN: 1938-4351</identifier><identifier>DOI: 10.2307/1591188</identifier><identifier>PMID: 1649591</identifier><language>eng</language><publisher>United States: American Association of Avian Pathologists, Inc</publisher><subject>Animals ; AVES DE CORRAL ; Chickens ; Chief executive officers ; CULTIVO DE TEJIDOS ; CULTURE DE TISSU ; EMBRIONES ANIMALES ; EMBRYON ANIMAL ; Herpesviridae Infections - microbiology ; Herpesviridae Infections - pathology ; Herpesviridae Infections - veterinary ; Herpesvirus 1, Gallid - immunology ; Herpesvirus 1, Gallid - pathogenicity ; Inoculation ; LARINGOTRAQUEITIS ; LARYNGOTRACHEITE ; Lesions ; Mortality ; PODER PATOGENO ; POLLITO ; Poultry Diseases - microbiology ; Poultry Diseases - pathology ; POUSSIN ; POUVOIR PATHOGENE ; Respiratory diseases ; Respiratory Tract Infections - microbiology ; Respiratory Tract Infections - pathology ; Respiratory Tract Infections - veterinary ; Serial Passage ; Specific Pathogen-Free Organisms ; Trachea ; Trachea - pathology ; VACCIN VIVANT ; Vaccination ; VACUNA VIVA ; Viral Vaccines - adverse effects ; Virulence ; Viruses ; VOLAILLE</subject><ispartof>Avian diseases, 1991-04, Vol.35 (2), p.348-355</ispartof><rights>Copyright 1991 The American Association of Avian Pathologists, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c421t-17caabd1aa58a8adbedfb339ebfbfd91896a41a0f8ac027a48110454a067e3ce3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/1591188$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/1591188$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,777,781,800,27905,27906,57998,58231</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1649591$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Guy, J.S. (North Carolina State University, Raleigh, NC)</creatorcontrib><creatorcontrib>Barnes, H.J</creatorcontrib><creatorcontrib>Smith, L</creatorcontrib><title>Increased virulence of modified-live infectious laryngotracheitis vaccine virus following bird-to-bird passage</title><title>Avian diseases</title><addtitle>Avian Dis</addtitle><description>Modified-live (ML) infectious laryngotracheitis (ILT) vaccine viruses, both tissue-culture-origin (TCO) and chicken-embryo-origin (CEO), were passaged 20 times in specific-pathogen-free chickens. After serial bird-to-bird passage, increased virulence was observed for CEO virus but not TCO virus. Increased mortality and increased severity and duration of respiratory disease were observed in chickens inoculated with chicken-passaged CEO viruses; only mild respiratory disease (no mortality) occurred in chickens inoculated with chicken-passaged TCO viruses. These findings suggest that ML ILT vaccine viruses may increase in virulence after bird-to-bird passage</description><subject>Animals</subject><subject>AVES DE CORRAL</subject><subject>Chickens</subject><subject>Chief executive officers</subject><subject>CULTIVO DE TEJIDOS</subject><subject>CULTURE DE TISSU</subject><subject>EMBRIONES ANIMALES</subject><subject>EMBRYON ANIMAL</subject><subject>Herpesviridae Infections - microbiology</subject><subject>Herpesviridae Infections - pathology</subject><subject>Herpesviridae Infections - veterinary</subject><subject>Herpesvirus 1, Gallid - immunology</subject><subject>Herpesvirus 1, Gallid - pathogenicity</subject><subject>Inoculation</subject><subject>LARINGOTRAQUEITIS</subject><subject>LARYNGOTRACHEITE</subject><subject>Lesions</subject><subject>Mortality</subject><subject>PODER PATOGENO</subject><subject>POLLITO</subject><subject>Poultry Diseases - microbiology</subject><subject>Poultry Diseases - pathology</subject><subject>POUSSIN</subject><subject>POUVOIR PATHOGENE</subject><subject>Respiratory diseases</subject><subject>Respiratory Tract Infections - microbiology</subject><subject>Respiratory Tract Infections - pathology</subject><subject>Respiratory Tract Infections - veterinary</subject><subject>Serial Passage</subject><subject>Specific Pathogen-Free Organisms</subject><subject>Trachea</subject><subject>Trachea - pathology</subject><subject>VACCIN VIVANT</subject><subject>Vaccination</subject><subject>VACUNA VIVA</subject><subject>Viral Vaccines - adverse effects</subject><subject>Virulence</subject><subject>Viruses</subject><subject>VOLAILLE</subject><issn>0005-2086</issn><issn>1938-4351</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc1r3DAQxUVpSbZJ6b1Q0CG0Jyczlj-kYwlpGwj0kORsxtJoq-C1tpJ3Q__7OPVCbs3pHd7vPZg3QnxEOC8VtBdYG0St34gVGqWLStX4VqwAoC5K0M2xeJ_zAwC2poEjcYRNZebESozXo01MmZ3ch7QbeLQso5eb6IIP7Ioh7FmG0bOdQtxlOVD6O67jlMj-5jCFLPdkbRj5Xz5LH4chPoZxLfuQXDHF4lnllnKmNZ-Kd56GzB8OeiLuv1_dXf4sbn79uL78dlPYqsSpwNYS9Q6Jak2aXM_O90oZ7n3vnUFtGqqQwGuyULZUaUSo6oqgaVlZVifiy9K7TfHPjvPUbUK2PAw08nxFp6ExqlXmVXDetcGyghn8uoA2xZwT-26bwmYeo0Ponl_QHV4wk58Plbt-w-6FWzaf_bPFf8hTTP-p-bRgnmJH6xRyd39rFIAyRj0BW0mWtg</recordid><startdate>19910401</startdate><enddate>19910401</enddate><creator>Guy, J.S. 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(North Carolina State University, Raleigh, NC) ; Barnes, H.J ; Smith, L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c421t-17caabd1aa58a8adbedfb339ebfbfd91896a41a0f8ac027a48110454a067e3ce3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Animals</topic><topic>AVES DE CORRAL</topic><topic>Chickens</topic><topic>Chief executive officers</topic><topic>CULTIVO DE TEJIDOS</topic><topic>CULTURE DE TISSU</topic><topic>EMBRIONES ANIMALES</topic><topic>EMBRYON ANIMAL</topic><topic>Herpesviridae Infections - microbiology</topic><topic>Herpesviridae Infections - pathology</topic><topic>Herpesviridae Infections - veterinary</topic><topic>Herpesvirus 1, Gallid - immunology</topic><topic>Herpesvirus 1, Gallid - pathogenicity</topic><topic>Inoculation</topic><topic>LARINGOTRAQUEITIS</topic><topic>LARYNGOTRACHEITE</topic><topic>Lesions</topic><topic>Mortality</topic><topic>PODER PATOGENO</topic><topic>POLLITO</topic><topic>Poultry Diseases - microbiology</topic><topic>Poultry Diseases - pathology</topic><topic>POUSSIN</topic><topic>POUVOIR PATHOGENE</topic><topic>Respiratory diseases</topic><topic>Respiratory Tract Infections - microbiology</topic><topic>Respiratory Tract Infections - pathology</topic><topic>Respiratory Tract Infections - veterinary</topic><topic>Serial Passage</topic><topic>Specific Pathogen-Free Organisms</topic><topic>Trachea</topic><topic>Trachea - pathology</topic><topic>VACCIN VIVANT</topic><topic>Vaccination</topic><topic>VACUNA VIVA</topic><topic>Viral Vaccines - adverse effects</topic><topic>Virulence</topic><topic>Viruses</topic><topic>VOLAILLE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guy, J.S. (North Carolina State University, Raleigh, NC)</creatorcontrib><creatorcontrib>Barnes, H.J</creatorcontrib><creatorcontrib>Smith, L</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Virology and AIDS Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Avian diseases</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guy, J.S. (North Carolina State University, Raleigh, NC)</au><au>Barnes, H.J</au><au>Smith, L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Increased virulence of modified-live infectious laryngotracheitis vaccine virus following bird-to-bird passage</atitle><jtitle>Avian diseases</jtitle><addtitle>Avian Dis</addtitle><date>1991-04-01</date><risdate>1991</risdate><volume>35</volume><issue>2</issue><spage>348</spage><epage>355</epage><pages>348-355</pages><issn>0005-2086</issn><eissn>1938-4351</eissn><abstract>Modified-live (ML) infectious laryngotracheitis (ILT) vaccine viruses, both tissue-culture-origin (TCO) and chicken-embryo-origin (CEO), were passaged 20 times in specific-pathogen-free chickens. After serial bird-to-bird passage, increased virulence was observed for CEO virus but not TCO virus. Increased mortality and increased severity and duration of respiratory disease were observed in chickens inoculated with chicken-passaged CEO viruses; only mild respiratory disease (no mortality) occurred in chickens inoculated with chicken-passaged TCO viruses. These findings suggest that ML ILT vaccine viruses may increase in virulence after bird-to-bird passage</abstract><cop>United States</cop><pub>American Association of Avian Pathologists, Inc</pub><pmid>1649591</pmid><doi>10.2307/1591188</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0005-2086 |
| ispartof | Avian diseases, 1991-04, Vol.35 (2), p.348-355 |
| issn | 0005-2086 1938-4351 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_80693739 |
| source | MEDLINE; Jstor Complete Legacy |
| subjects | Animals AVES DE CORRAL Chickens Chief executive officers CULTIVO DE TEJIDOS CULTURE DE TISSU EMBRIONES ANIMALES EMBRYON ANIMAL Herpesviridae Infections - microbiology Herpesviridae Infections - pathology Herpesviridae Infections - veterinary Herpesvirus 1, Gallid - immunology Herpesvirus 1, Gallid - pathogenicity Inoculation LARINGOTRAQUEITIS LARYNGOTRACHEITE Lesions Mortality PODER PATOGENO POLLITO Poultry Diseases - microbiology Poultry Diseases - pathology POUSSIN POUVOIR PATHOGENE Respiratory diseases Respiratory Tract Infections - microbiology Respiratory Tract Infections - pathology Respiratory Tract Infections - veterinary Serial Passage Specific Pathogen-Free Organisms Trachea Trachea - pathology VACCIN VIVANT Vaccination VACUNA VIVA Viral Vaccines - adverse effects Virulence Viruses VOLAILLE |
| title | Increased virulence of modified-live infectious laryngotracheitis vaccine virus following bird-to-bird passage |
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