Effect of sow vaccination against porcine circovirus type 2 (PCV2) on virological profiles in herds with or without PCV2 systemic disease
Identifieur interne : 000438 ( Pmc/Corpus ); précédent : 000437; suivant : 000439Effect of sow vaccination against porcine circovirus type 2 (PCV2) on virological profiles in herds with or without PCV2 systemic disease
Auteurs : Alfonso Lopez-Rodriguez ; Jeroen Dewulf ; Tom Meyns ; Rubén Del-Pozo-Sacristán ; Christine Andreoni ; Anne Goubier ; Ludivine Chapat ; Catherine Charreyre ; François Joisel ; Dominiek MaesSource :
- The Canadian Veterinary Journal [ 0008-5286 ] ; 2016.
Abstract
We investigated porcine circovirus type 2 (PCV2) virological profiles in herds affected (PCVAD-AH,
Url:
PubMed: 27247462
PubMed Central: 4866667
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effect of sow vaccination against porcine circovirus type 2 (PCV2) on virological profiles in herds with or without PCV2 systemic disease</title><author><name sortKey="Lopez Rodriguez, Alfonso" sort="Lopez Rodriguez, Alfonso" uniqKey="Lopez Rodriguez A" first="Alfonso" last="Lopez-Rodriguez">Alfonso Lopez-Rodriguez</name></author><author><name sortKey="Dewulf, Jeroen" sort="Dewulf, Jeroen" uniqKey="Dewulf J" first="Jeroen" last="Dewulf">Jeroen Dewulf</name></author><author><name sortKey="Meyns, Tom" sort="Meyns, Tom" uniqKey="Meyns T" first="Tom" last="Meyns">Tom Meyns</name></author><author><name sortKey="Del Pozo Sacristan, Ruben" sort="Del Pozo Sacristan, Ruben" uniqKey="Del Pozo Sacristan R" first="Rubén" last="Del-Pozo-Sacristán">Rubén Del-Pozo-Sacristán</name></author><author><name sortKey="Andreoni, Christine" sort="Andreoni, Christine" uniqKey="Andreoni C" first="Christine" last="Andreoni">Christine Andreoni</name></author><author><name sortKey="Goubier, Anne" sort="Goubier, Anne" uniqKey="Goubier A" first="Anne" last="Goubier">Anne Goubier</name></author><author><name sortKey="Chapat, Ludivine" sort="Chapat, Ludivine" uniqKey="Chapat L" first="Ludivine" last="Chapat">Ludivine Chapat</name></author><author><name sortKey="Charreyre, Catherine" sort="Charreyre, Catherine" uniqKey="Charreyre C" first="Catherine" last="Charreyre">Catherine Charreyre</name></author><author><name sortKey="Joisel, Francois" sort="Joisel, Francois" uniqKey="Joisel F" first="François" last="Joisel">François Joisel</name></author><author><name sortKey="Maes, Dominiek" sort="Maes, Dominiek" uniqKey="Maes D" first="Dominiek" last="Maes">Dominiek Maes</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">27247462</idno><idno type="pmc">4866667</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4866667</idno><idno type="RBID">PMC:4866667</idno><date when="2016">2016</date><idno type="wicri:Area/Pmc/Corpus">000438</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000438</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Effect of sow vaccination against porcine circovirus type 2 (PCV2) on virological profiles in herds with or without PCV2 systemic disease</title><author><name sortKey="Lopez Rodriguez, Alfonso" sort="Lopez Rodriguez, Alfonso" uniqKey="Lopez Rodriguez A" first="Alfonso" last="Lopez-Rodriguez">Alfonso Lopez-Rodriguez</name></author><author><name sortKey="Dewulf, Jeroen" sort="Dewulf, Jeroen" uniqKey="Dewulf J" first="Jeroen" last="Dewulf">Jeroen Dewulf</name></author><author><name sortKey="Meyns, Tom" sort="Meyns, Tom" uniqKey="Meyns T" first="Tom" last="Meyns">Tom Meyns</name></author><author><name sortKey="Del Pozo Sacristan, Ruben" sort="Del Pozo Sacristan, Ruben" uniqKey="Del Pozo Sacristan R" first="Rubén" last="Del-Pozo-Sacristán">Rubén Del-Pozo-Sacristán</name></author><author><name sortKey="Andreoni, Christine" sort="Andreoni, Christine" uniqKey="Andreoni C" first="Christine" last="Andreoni">Christine Andreoni</name></author><author><name sortKey="Goubier, Anne" sort="Goubier, Anne" uniqKey="Goubier A" first="Anne" last="Goubier">Anne Goubier</name></author><author><name sortKey="Chapat, Ludivine" sort="Chapat, Ludivine" uniqKey="Chapat L" first="Ludivine" last="Chapat">Ludivine Chapat</name></author><author><name sortKey="Charreyre, Catherine" sort="Charreyre, Catherine" uniqKey="Charreyre C" first="Catherine" last="Charreyre">Catherine Charreyre</name></author><author><name sortKey="Joisel, Francois" sort="Joisel, Francois" uniqKey="Joisel F" first="François" last="Joisel">François Joisel</name></author><author><name sortKey="Maes, Dominiek" sort="Maes, Dominiek" uniqKey="Maes D" first="Dominiek" last="Maes">Dominiek Maes</name></author></analytic><series><title level="j">The Canadian Veterinary Journal</title><idno type="ISSN">0008-5286</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>We investigated porcine circovirus type 2 (PCV2) virological profiles in herds affected (PCVAD-AH, <italic>n</italic> = 5) or non-affected (PCVAD-NAH, <italic>n</italic> = 4) by PCV2-associated diseases (PCVAD), before and after 1 y of PCV2 gilt and sow vaccination. Fresh feces from the floor (5 pens/age/farm) and 5 blood samples (1/pen) were collected at 3, 9, 15, 21 wk. Individual feces and blood samples were collected from 5 gilts and 15 sows. Sampling was repeated 1 y after vaccination. Quantitative PCR on feces, PCV2 antibodies in blood serum and cell-mediated immunity were investigated. Before vaccination, pigs of PCVAD-AH had higher viral load in feces (9 and 15 wk), lower IgG and higher IgM (3 wk) and lower lymphocyte counts (9 and 15 wk) suggesting immunosuppression. Vaccination reduced viral load in growers, increased IgG (3 wk) suggesting improved maternal immunity, reduced IgM (3 wk), increased total antibody titers in sows and increased CD79a cells in the pigs.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Can Vet J</journal-id><journal-id journal-id-type="iso-abbrev">Can. Vet. J</journal-id><journal-title-group><journal-title>The Canadian Veterinary Journal</journal-title></journal-title-group><issn pub-type="ppub">0008-5286</issn><publisher><publisher-name>Canadian Veterinary Medical Association</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">27247462</article-id><article-id pub-id-type="pmc">4866667</article-id><article-id pub-id-type="publisher-id">cvj_06_619</article-id><article-categories><subj-group subj-group-type="heading"><subject>Scientific</subject><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></subj-group></article-categories><title-group><article-title>Effect of sow vaccination against porcine circovirus type 2 (PCV2) on virological profiles in herds with or without PCV2 systemic disease</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Lopez-Rodriguez</surname><given-names>Alfonso</given-names></name><xref ref-type="corresp" rid="c1-cvj_06_619"></xref></contrib><contrib contrib-type="author"><name><surname>Dewulf</surname><given-names>Jeroen</given-names></name></contrib><contrib contrib-type="author"><name><surname>Meyns</surname><given-names>Tom</given-names></name></contrib><contrib contrib-type="author"><name><surname>Del-Pozo-Sacristán</surname><given-names>Rubén</given-names></name></contrib><contrib contrib-type="author"><name><surname>Andreoni</surname><given-names>Christine</given-names></name></contrib><contrib contrib-type="author"><name><surname>Goubier</surname><given-names>Anne</given-names></name></contrib><contrib contrib-type="author"><name><surname>Chapat</surname><given-names>Ludivine</given-names></name></contrib><contrib contrib-type="author"><name><surname>Charreyre</surname><given-names>Catherine</given-names></name></contrib><contrib contrib-type="author"><name><surname>Joisel</surname><given-names>François</given-names></name></contrib><contrib contrib-type="author"><name><surname>Maes</surname><given-names>Dominiek</given-names></name></contrib><aff id="af1-cvj_06_619">Faculty of Veterinary Medicine, Ghent University, Belgium (Lopez-Rodriguez, Dewulf, Del-Pozo-Sacristán, Maes); Merial SAS, Lyon, France (Meyns, Andreoni, Chapat, Charreyre, Joisel); PX Biosolutions, South Melbourne, Australia (Goubier)</aff></contrib-group><author-notes><corresp id="c1-cvj_06_619">Address all correspondence to Dr. Alfonso Lopez-Rodriguez; e-mail: <email>fonsovet@gmail.com</email></corresp></author-notes><pub-date pub-type="ppub"><month>6</month><year>2016</year></pub-date><volume>57</volume><issue>6</issue><fpage>619</fpage><lpage>628</lpage><permissions><copyright-statement>Copyright and/or publishing rights held by the Canadian Veterinary Medical Association</copyright-statement><copyright-year>2016</copyright-year></permissions><abstract><p>We investigated porcine circovirus type 2 (PCV2) virological profiles in herds affected (PCVAD-AH, <italic>n</italic> = 5) or non-affected (PCVAD-NAH, <italic>n</italic> = 4) by PCV2-associated diseases (PCVAD), before and after 1 y of PCV2 gilt and sow vaccination. Fresh feces from the floor (5 pens/age/farm) and 5 blood samples (1/pen) were collected at 3, 9, 15, 21 wk. Individual feces and blood samples were collected from 5 gilts and 15 sows. Sampling was repeated 1 y after vaccination. Quantitative PCR on feces, PCV2 antibodies in blood serum and cell-mediated immunity were investigated. Before vaccination, pigs of PCVAD-AH had higher viral load in feces (9 and 15 wk), lower IgG and higher IgM (3 wk) and lower lymphocyte counts (9 and 15 wk) suggesting immunosuppression. Vaccination reduced viral load in growers, increased IgG (3 wk) suggesting improved maternal immunity, reduced IgM (3 wk), increased total antibody titers in sows and increased CD79a cells in the pigs.</p></abstract><trans-abstract xml:lang="fr"><title>Résumé</title><p><bold>Effet de la vaccination des truies contre le circovirus porcin de type 2 (PCV2) sur les profils virologiques des troupeaux atteints ou non de la maladie systémique PCV2.</bold> Nous avons fait une enquête sur les profils virologiques du circovirus porcin de type 2 (PCV2) dans les troupeaux affectés (PCVAD-AH, <italic>n</italic> = 5) ou non affectés (PCVAD-NAH, <italic>n</italic> = 4) par les maladies associées au PCV2 (MAPCV), 1 an avant et 1 an après la vaccination des cochettes et des truies contre le PCV2. Des fèces fraîches sur le plancher (5 enclos/âge/ferme) et 5 échantillons de sang (1/enclos) ont été prélevés à 3, 9, 15 et 21 semaines. Des fèces individuelles et des échantillons sanguins ont été préIevés auprès de 5 cochettes et de 15 truies. L’échantillonnage a été répété 1 an après la vaccination. La RCP quantitative sur les fèces, les anticorps de PCV2 dans le sérum sanguin et l’immunité à médiation cellulaire ont fait l’objet d’une enquête. Avant la vaccination, les porcs de PCVAD-AH présentaient une charge virale supérieure dans les fèces (à 9 et à 15 semaines), une IgG inférieure et une IgM supérieure (à 3 semaines) ainsi qu’une numération inférieure des lymphocytes (à 9 et à 15 semaines) suggérant l’immunosuppression. La vaccination a réduit la charge virale chez les porcs en croissance, a augmenté les IgG (à 3 semaines) suggérant une immunité maternelle améliorée, a réduit les IgM (à 3 semaines), a augmenté le total des titres d’anticorps chez les truies et a augmenté les cellules CD79a chez les porcs.</p><p>(Traduit par Isabelle Vallières)</p></trans-abstract></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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