The relationship between antibody status to bovine corona virus and bovine respiratory syncytial virus and disease incidence, reproduction and herd characteristics in dairy herds
Identifieur interne : 000581 ( Pmc/Checkpoint ); précédent : 000580; suivant : 000582The relationship between antibody status to bovine corona virus and bovine respiratory syncytial virus and disease incidence, reproduction and herd characteristics in dairy herds
Auteurs : Anna Ohlson [Suède] ; Ulf Emanuelson [Suède] ; Madeleine Tr Vén [Suède] ; Stefan Alenius [Suède]Source :
- Acta Veterinaria Scandinavica [ 0044-605X ] ; 2010.
Abstract
Bovine respiratory syncytial virus (BRSV) and bovine corona virus (BCV) affects cattle worldwide. Our objective was to evaluate the effects of these infections on general health and reproduction parameters measurable on herd level and to explore the association between antibody status and some herd characteristics.
We collected a pooled milk sample from five primiparous cows from 79 Swedish dairy herds in September 2006. The samples were analysed for immunoglobulin G antibodies to BCV and BRSV with indirect enzyme-linked immunosorbent assays. Herd level data from 1 September 2005 to 30 August 2006 were accessed retrospectively. The location of the herds was mapped using a geographical information system.
Ten herds were antibody negative to both viruses and were compared with 69 herds positive to BCV or BRSV or both. Positive herds had a higher (P = 0.001) bulk tank milk somatic cell count (BMSCC) compared with negative herds. The medians for all other analyzed health and reproductive parameters were consistently in favour of the herds negative to both viruses although the differences were not statistically significant. A higher proportion (P = 0.01) of herds used professional technicians for artificial insemination, rather than farm personnel, amongst the 33 herds negative to BCV compared with the 46 positive herds.
Our result shows that herds that were antibody positive to BCV and/or BRSV had a higher BMSCC compared with herds negative to BCV and BRSV. There was also tendency that negative herds had a better general herd health compared with positive. A higher proportion amongst the BCV negative herds used external technicians for AI instead of farm personnel, indicating that it is possible to avoid infection although having regular visits. Negative herds were located in close proximity to positive herds, indicating that local spread and airborne transmission between herds might not be of great importance and that herds can stay free from these infection transmission although virus is circulating in the area.
Url:
DOI: 10.1186/1751-0147-52-37
PubMed: 20525326
PubMed Central: 2891787
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">The relationship between antibody status to bovine corona virus and bovine respiratory syncytial virus and disease incidence, reproduction and herd characteristics in dairy herds</title><author><name sortKey="Ohlson, Anna" sort="Ohlson, Anna" uniqKey="Ohlson A" first="Anna" last="Ohlson">Anna Ohlson</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala, Sweden</nlm:aff><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala</wicri:regionArea><wicri:noRegion>SE-750 07 Uppsala</wicri:noRegion></affiliation></author><author><name sortKey="Emanuelson, Ulf" sort="Emanuelson, Ulf" uniqKey="Emanuelson U" first="Ulf" last="Emanuelson">Ulf Emanuelson</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala, Sweden</nlm:aff><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala</wicri:regionArea><wicri:noRegion>SE-750 07 Uppsala</wicri:noRegion></affiliation></author><author><name sortKey="Tr Ven, Madeleine" sort="Tr Ven, Madeleine" uniqKey="Tr Ven M" first="Madeleine" last="Tr Vén">Madeleine Tr Vén</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala, Sweden</nlm:aff><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala</wicri:regionArea><wicri:noRegion>SE-750 07 Uppsala</wicri:noRegion></affiliation></author><author><name sortKey="Alenius, Stefan" sort="Alenius, Stefan" uniqKey="Alenius S" first="Stefan" last="Alenius">Stefan Alenius</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala, Sweden</nlm:aff><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala</wicri:regionArea><wicri:noRegion>SE-750 07 Uppsala</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">20525326</idno><idno type="pmc">2891787</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2891787</idno><idno type="RBID">PMC:2891787</idno><idno type="doi">10.1186/1751-0147-52-37</idno><date when="2010">2010</date><idno type="wicri:Area/Pmc/Corpus">000538</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000538</idno><idno type="wicri:Area/Pmc/Curation">000538</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000538</idno><idno type="wicri:Area/Pmc/Checkpoint">000581</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000581</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">The relationship between antibody status to bovine corona virus and bovine respiratory syncytial virus and disease incidence, reproduction and herd characteristics in dairy herds</title><author><name sortKey="Ohlson, Anna" sort="Ohlson, Anna" uniqKey="Ohlson A" first="Anna" last="Ohlson">Anna Ohlson</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala, Sweden</nlm:aff><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala</wicri:regionArea><wicri:noRegion>SE-750 07 Uppsala</wicri:noRegion></affiliation></author><author><name sortKey="Emanuelson, Ulf" sort="Emanuelson, Ulf" uniqKey="Emanuelson U" first="Ulf" last="Emanuelson">Ulf Emanuelson</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala, Sweden</nlm:aff><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala</wicri:regionArea><wicri:noRegion>SE-750 07 Uppsala</wicri:noRegion></affiliation></author><author><name sortKey="Tr Ven, Madeleine" sort="Tr Ven, Madeleine" uniqKey="Tr Ven M" first="Madeleine" last="Tr Vén">Madeleine Tr Vén</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala, Sweden</nlm:aff><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala</wicri:regionArea><wicri:noRegion>SE-750 07 Uppsala</wicri:noRegion></affiliation></author><author><name sortKey="Alenius, Stefan" sort="Alenius, Stefan" uniqKey="Alenius S" first="Stefan" last="Alenius">Stefan Alenius</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala, Sweden</nlm:aff><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala</wicri:regionArea><wicri:noRegion>SE-750 07 Uppsala</wicri:noRegion></affiliation></author></analytic><series><title level="j">Acta Veterinaria Scandinavica</title><idno type="ISSN">0044-605X</idno><idno type="eISSN">1751-0147</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Background</title><p>Bovine respiratory syncytial virus (BRSV) and bovine corona virus (BCV) affects cattle worldwide. Our objective was to evaluate the effects of these infections on general health and reproduction parameters measurable on herd level and to explore the association between antibody status and some herd characteristics.</p></sec><sec><title>Methods</title><p>We collected a pooled milk sample from five primiparous cows from 79 Swedish dairy herds in September 2006. The samples were analysed for immunoglobulin G antibodies to BCV and BRSV with indirect enzyme-linked immunosorbent assays. Herd level data from 1 September 2005 to 30 August 2006 were accessed retrospectively. The location of the herds was mapped using a geographical information system.</p></sec><sec><title>Results</title><p>Ten herds were antibody negative to both viruses and were compared with 69 herds positive to BCV or BRSV or both. Positive herds had a higher (P = 0.001) bulk tank milk somatic cell count (BMSCC) compared with negative herds. The medians for all other analyzed health and reproductive parameters were consistently in favour of the herds negative to both viruses although the differences were not statistically significant. A higher proportion (P = 0.01) of herds used professional technicians for artificial insemination, rather than farm personnel, amongst the 33 herds negative to BCV compared with the 46 positive herds.</p></sec><sec><title>Conclusions</title><p>Our result shows that herds that were antibody positive to BCV and/or BRSV had a higher BMSCC compared with herds negative to BCV and BRSV. There was also tendency that negative herds had a better general herd health compared with positive. A higher proportion amongst the BCV negative herds used external technicians for AI instead of farm personnel, indicating that it is possible to avoid infection although having regular visits. Negative herds were located in close proximity to positive herds, indicating that local spread and airborne transmission between herds might not be of great importance and that herds can stay free from these infection transmission although virus is circulating in the area.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Clark, Ma" uniqKey="Clark M">MA Clark</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Valarcher, Jf" uniqKey="Valarcher J">JF Valarcher</name></author><author><name sortKey="Taylor, G" uniqKey="Taylor G">G Taylor</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Stair, El" uniqKey="Stair E">EL Stair</name></author><author><name sortKey="Rhodes, Mb" uniqKey="Rhodes M">MB Rhodes</name></author><author><name sortKey="White, Rg" uniqKey="White R">RG White</name></author><author><name sortKey="Mebus, Ca" uniqKey="Mebus C">CA 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<front><journal-meta><journal-id journal-id-type="nlm-ta">Acta Vet Scand</journal-id><journal-title-group><journal-title>Acta Veterinaria Scandinavica</journal-title></journal-title-group><issn pub-type="ppub">0044-605X</issn><issn pub-type="epub">1751-0147</issn><publisher><publisher-name>BioMed Central</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">20525326</article-id><article-id pub-id-type="pmc">2891787</article-id><article-id pub-id-type="publisher-id">1751-0147-52-37</article-id><article-id pub-id-type="doi">10.1186/1751-0147-52-37</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research</subject></subj-group></article-categories><title-group><article-title>The relationship between antibody status to bovine corona virus and bovine respiratory syncytial virus and disease incidence, reproduction and herd characteristics in dairy herds</article-title></title-group><contrib-group><contrib contrib-type="author" corresp="yes" id="A1"><name><surname>Ohlson</surname><given-names>Anna</given-names></name><xref ref-type="aff" rid="I1">1</xref><email>anna.ohlson@kv.slu.se</email></contrib><contrib contrib-type="author" id="A2"><name><surname>Emanuelson</surname><given-names>Ulf</given-names></name><xref ref-type="aff" rid="I1">1</xref><email>ulf.emanuelson@kv.slu.se</email></contrib><contrib contrib-type="author" id="A3"><name><surname>Tråvén</surname><given-names>Madeleine</given-names></name><xref ref-type="aff" rid="I1">1</xref><email>madelein.traven@kv.slu.se</email></contrib><contrib contrib-type="author" id="A4"><name><surname>Alenius</surname><given-names>Stefan</given-names></name><xref ref-type="aff" rid="I1">1</xref><email>stefan.alenius@kv.slu.se</email></contrib></contrib-group><aff id="I1"><label>1</label>Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, SE-750 07 Uppsala, Sweden</aff><pub-date pub-type="collection"><year>2010</year></pub-date><pub-date pub-type="epub"><day>4</day><month>6</month><year>2010</year></pub-date><volume>52</volume><issue>1</issue><fpage>37</fpage><lpage>37</lpage><history><date date-type="received"><day>11</day><month>2</month><year>2010</year></date><date date-type="accepted"><day>4</day><month>6</month><year>2010</year></date></history><permissions><copyright-statement>Copyright ©2010 Ohlson et al; licensee BioMed Central Ltd.</copyright-statement><copyright-year>2010</copyright-year><copyright-holder>Ohlson et al; licensee BioMed Central Ltd.</copyright-holder><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/2.0"><license-p>This is an Open Access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/2.0">http://creativecommons.org/licenses/by/2.0</ext-link>), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p></license></permissions><self-uri xlink:href="http://www.actavetscand.com/content/52/1/37"></self-uri><abstract><sec><title>Background</title><p>Bovine respiratory syncytial virus (BRSV) and bovine corona virus (BCV) affects cattle worldwide. Our objective was to evaluate the effects of these infections on general health and reproduction parameters measurable on herd level and to explore the association between antibody status and some herd characteristics.</p></sec><sec><title>Methods</title><p>We collected a pooled milk sample from five primiparous cows from 79 Swedish dairy herds in September 2006. The samples were analysed for immunoglobulin G antibodies to BCV and BRSV with indirect enzyme-linked immunosorbent assays. Herd level data from 1 September 2005 to 30 August 2006 were accessed retrospectively. The location of the herds was mapped using a geographical information system.</p></sec><sec><title>Results</title><p>Ten herds were antibody negative to both viruses and were compared with 69 herds positive to BCV or BRSV or both. Positive herds had a higher (P = 0.001) bulk tank milk somatic cell count (BMSCC) compared with negative herds. The medians for all other analyzed health and reproductive parameters were consistently in favour of the herds negative to both viruses although the differences were not statistically significant. A higher proportion (P = 0.01) of herds used professional technicians for artificial insemination, rather than farm personnel, amongst the 33 herds negative to BCV compared with the 46 positive herds.</p></sec><sec><title>Conclusions</title><p>Our result shows that herds that were antibody positive to BCV and/or BRSV had a higher BMSCC compared with herds negative to BCV and BRSV. There was also tendency that negative herds had a better general herd health compared with positive. A higher proportion amongst the BCV negative herds used external technicians for AI instead of farm personnel, indicating that it is possible to avoid infection although having regular visits. Negative herds were located in close proximity to positive herds, indicating that local spread and airborne transmission between herds might not be of great importance and that herds can stay free from these infection transmission although virus is circulating in the area.</p></sec></abstract></article-meta></front></pmc><affiliations><list><country><li>Suède</li></country></list><tree><country name="Suède"><noRegion><name sortKey="Ohlson, Anna" sort="Ohlson, Anna" uniqKey="Ohlson A" first="Anna" last="Ohlson">Anna Ohlson</name></noRegion><name sortKey="Alenius, Stefan" sort="Alenius, Stefan" uniqKey="Alenius S" first="Stefan" last="Alenius">Stefan Alenius</name><name sortKey="Emanuelson, Ulf" sort="Emanuelson, Ulf" uniqKey="Emanuelson U" first="Ulf" last="Emanuelson">Ulf Emanuelson</name><name sortKey="Tr Ven, Madeleine" sort="Tr Ven, Madeleine" uniqKey="Tr Ven M" first="Madeleine" last="Tr Vén">Madeleine Tr Vén</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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