Association of herd BRSV and BHV-1 seroprevalence with respiratory disease and reproductive performance in adult dairy cattle
Identifieur interne : 000765 ( Pmc/Checkpoint ); précédent : 000764; suivant : 000766Association of herd BRSV and BHV-1 seroprevalence with respiratory disease and reproductive performance in adult dairy cattle
Auteurs : Kerli Raaperi [Estonie] ; Stephanie Bougeard [France] ; Annely Aleksejev [Estonie] ; Toomas Orro [Estonie] ; Arvo Viltrop [Estonie]Source :
- Acta Veterinaria Scandinavica [ 0044-605X ] ; 2012.
Abstract
The aim of this study was to detect the associations between bovine herpesvirus 1 (BHV-1) status of a herd and respiratory disease (BRD) occurrence and reproductive performance in pregnant heifers and cows. The association between management-related factors and higher BRD occurrence was also estimated.
Serum samples, collected from cows and youngstock from 103 dairy cattle herds, were analyzed for antibodies against BHV-1, bovine respiratory syncytial virus (BRSV), bovine viral diarrhoea virus (BVDV), and
A low to moderate prevalence (1-49%) of BRSV antibodies among youngstock was associated with a high occurrence of respiratory disease (OR = 6.2, p = 0.010) in cows and in-calf heifers. Employees of the farm may participate in the spread of such disease. Larger herd size, loose-housing of cows, housing youngstock separately from cows until pregnancy, and purchasing new animals were factors possibly related to a high occurrence of respiratory disease symptoms in pregnant heifers and cows. The highest risk of abortions (> 1.3%) and increased insemination index (number of inseminations per pregnancy) (> 1.9) occurred in herds with a moderate prevalence of BHV-1 antibodies (1-49%) in cows.
BHV-1 was not associated with acute respiratory disease in adult dairy cattle, however was significantly related to reproductive performance. BRSV possesses the main role in respiratory disease complex in adult dairy cattle.
Url:
DOI: 10.1186/1751-0147-54-4
PubMed: 22289165
PubMed Central: 3298528
Affiliations:
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PMC:3298528Le document en format XML
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<front><div type="abstract" xml:lang="en"><sec><title>Background</title>
<p>The aim of this study was to detect the associations between bovine herpesvirus 1 (BHV-1) status of a herd and respiratory disease (BRD) occurrence and reproductive performance in pregnant heifers and cows. The association between management-related factors and higher BRD occurrence was also estimated.</p>
</sec>
<sec><title>Methods</title>
<p>Serum samples, collected from cows and youngstock from 103 dairy cattle herds, were analyzed for antibodies against BHV-1, bovine respiratory syncytial virus (BRSV), bovine viral diarrhoea virus (BVDV), and <italic>Mycoplasma bovis</italic>
. A questionnaire was used to collect data concerning herd management factors and reproductive performance, as well as the occurrence of clinical signs of respiratory disease in the last two years, as evaluated by the veterinarian or farm manager. Multiple correspondence analysis (MCA) and logistic regression analysis were performed to identify and quantify the risk factors.</p>
</sec>
<sec><title>Results</title>
<p>A low to moderate prevalence (1-49%) of BRSV antibodies among youngstock was associated with a high occurrence of respiratory disease (OR = 6.2, p = 0.010) in cows and in-calf heifers. Employees of the farm may participate in the spread of such disease. Larger herd size, loose-housing of cows, housing youngstock separately from cows until pregnancy, and purchasing new animals were factors possibly related to a high occurrence of respiratory disease symptoms in pregnant heifers and cows. The highest risk of abortions (> 1.3%) and increased insemination index (number of inseminations per pregnancy) (> 1.9) occurred in herds with a moderate prevalence of BHV-1 antibodies (1-49%) in cows.</p>
</sec>
<sec><title>Conclusions</title>
<p>BHV-1 was not associated with acute respiratory disease in adult dairy cattle, however was significantly related to reproductive performance. BRSV possesses the main role in respiratory disease complex in adult dairy cattle.</p>
</sec>
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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>
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<issn pub-type="ppub">0044-605X</issn>
<issn pub-type="epub">1751-0147</issn>
<publisher><publisher-name>BioMed Central</publisher-name>
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<article-meta><article-id pub-id-type="pmid">22289165</article-id>
<article-id pub-id-type="pmc">3298528</article-id>
<article-id pub-id-type="publisher-id">1751-0147-54-4</article-id>
<article-id pub-id-type="doi">10.1186/1751-0147-54-4</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Research</subject>
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<title-group><article-title>Association of herd BRSV and BHV-1 seroprevalence with respiratory disease and reproductive performance in adult dairy cattle</article-title>
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<contrib-group><contrib contrib-type="author" corresp="yes" id="A1"><name><surname>Raaperi</surname>
<given-names>Kerli</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>Kerli.Raaperi@emu.ee</email>
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<contrib contrib-type="author" id="A2"><name><surname>Bougeard</surname>
<given-names>Stephanie</given-names>
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<xref ref-type="aff" rid="I2">2</xref>
<email>Stephanie.BOUGEARD@anses.fr</email>
</contrib>
<contrib contrib-type="author" id="A3"><name><surname>Aleksejev</surname>
<given-names>Annely</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>Annely.Aleksejev@emu.ee</email>
</contrib>
<contrib contrib-type="author" id="A4"><name><surname>Orro</surname>
<given-names>Toomas</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>Toomas.Orro@emu.ee</email>
</contrib>
<contrib contrib-type="author" id="A5"><name><surname>Viltrop</surname>
<given-names>Arvo</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>Arvo.Viltrop@emu.ee</email>
</contrib>
</contrib-group>
<aff id="I1"><label>1</label>
Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi 62, Tartu, 51014, Estonia</aff>
<aff id="I2"><label>2</label>
Department of Epidemiology, Pig, Poultry and Fishes Laboratory, French Agency for Food, Environmental, and Occupational Health Safety (Anses), Zoopole - BP 53, 22440 Ploufragan, France</aff>
<pub-date pub-type="collection"><year>2012</year>
</pub-date>
<pub-date pub-type="epub"><day>30</day>
<month>1</month>
<year>2012</year>
</pub-date>
<volume>54</volume>
<issue>1</issue>
<fpage>4</fpage>
<lpage>4</lpage>
<history><date date-type="received"><day>1</day>
<month>6</month>
<year>2011</year>
</date>
<date date-type="accepted"><day>30</day>
<month>1</month>
<year>2012</year>
</date>
</history>
<permissions><copyright-statement>Copyright ©2012 Raaperi et al; licensee BioMed Central Ltd.</copyright-statement>
<copyright-year>2012</copyright-year>
<copyright-holder>Raaperi 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/54/1/4"></self-uri>
<abstract><sec><title>Background</title>
<p>The aim of this study was to detect the associations between bovine herpesvirus 1 (BHV-1) status of a herd and respiratory disease (BRD) occurrence and reproductive performance in pregnant heifers and cows. The association between management-related factors and higher BRD occurrence was also estimated.</p>
</sec>
<sec><title>Methods</title>
<p>Serum samples, collected from cows and youngstock from 103 dairy cattle herds, were analyzed for antibodies against BHV-1, bovine respiratory syncytial virus (BRSV), bovine viral diarrhoea virus (BVDV), and <italic>Mycoplasma bovis</italic>
. A questionnaire was used to collect data concerning herd management factors and reproductive performance, as well as the occurrence of clinical signs of respiratory disease in the last two years, as evaluated by the veterinarian or farm manager. Multiple correspondence analysis (MCA) and logistic regression analysis were performed to identify and quantify the risk factors.</p>
</sec>
<sec><title>Results</title>
<p>A low to moderate prevalence (1-49%) of BRSV antibodies among youngstock was associated with a high occurrence of respiratory disease (OR = 6.2, p = 0.010) in cows and in-calf heifers. Employees of the farm may participate in the spread of such disease. Larger herd size, loose-housing of cows, housing youngstock separately from cows until pregnancy, and purchasing new animals were factors possibly related to a high occurrence of respiratory disease symptoms in pregnant heifers and cows. The highest risk of abortions (> 1.3%) and increased insemination index (number of inseminations per pregnancy) (> 1.9) occurred in herds with a moderate prevalence of BHV-1 antibodies (1-49%) in cows.</p>
</sec>
<sec><title>Conclusions</title>
<p>BHV-1 was not associated with acute respiratory disease in adult dairy cattle, however was significantly related to reproductive performance. BRSV possesses the main role in respiratory disease complex in adult dairy cattle.</p>
</sec>
</abstract>
<kwd-group><kwd>Bovine respiratory disease</kwd>
<kwd>reproduction</kwd>
<kwd>dairy cattle</kwd>
<kwd>bovine herpesvirus 1</kwd>
<kwd>bovine respiratory syncytial virus</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
<affiliations><list><country><li>Estonie</li>
<li>France</li>
</country>
<region><li>Région Bretagne</li>
</region>
<settlement><li>Ploufragan</li>
</settlement>
</list>
<tree><country name="Estonie"><noRegion><name sortKey="Raaperi, Kerli" sort="Raaperi, Kerli" uniqKey="Raaperi K" first="Kerli" last="Raaperi">Kerli Raaperi</name>
</noRegion>
<name sortKey="Aleksejev, Annely" sort="Aleksejev, Annely" uniqKey="Aleksejev A" first="Annely" last="Aleksejev">Annely Aleksejev</name>
<name sortKey="Orro, Toomas" sort="Orro, Toomas" uniqKey="Orro T" first="Toomas" last="Orro">Toomas Orro</name>
<name sortKey="Viltrop, Arvo" sort="Viltrop, Arvo" uniqKey="Viltrop A" first="Arvo" last="Viltrop">Arvo Viltrop</name>
</country>
<country name="France"><region name="Région Bretagne"><name sortKey="Bougeard, Stephanie" sort="Bougeard, Stephanie" uniqKey="Bougeard S" first="Stephanie" last="Bougeard">Stephanie Bougeard</name>
</region>
</country>
</tree>
</affiliations>
</record>
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