Bovine coronavirus (BCV) infections in transported commingled beef cattle and sole-source ranch calves
Identifieur interne : 000424 ( Pmc/Curation ); précédent : 000423; suivant : 000425Bovine coronavirus (BCV) infections in transported commingled beef cattle and sole-source ranch calves
Auteurs : Robert W. Fulton ; Douglas L. Step ; Jackie Wahrmund ; Lurinda J. Burge ; Mark E. Payton ; Billy J. Cook ; Dirk Burken ; Chris J. Richards ; Anthony W. ConferSource :
- Canadian Journal of Veterinary Research [ 0830-9000 ] ; 2011.
Abstract
This study investigated bovine coronavirus (BCV) in both beef calves direct from the ranch and commingled, mixed-source calves obtained from an auction market. The level of BCV-neutralizing antibodies found in the calves varied among ranches in 2 different studies in a retained-ownership program (ROP), from the ranch to the feedlot. Calves with low levels of BCV-neutralizing antibodies (16 or less) were more likely to be treated for bovine respiratory disease (BRD) than those with higher titers. In 3 studies of commingled, mixed-source calves, BCV was recovered from calves at entry to the feedlot and the infections were cleared by day 8. The BCV was identified in lung samples [bronchoalveolar lavage (BAL) collection] as well as in nasal swabs. Calves with low levels of BCV-neutralizing antibodies at entry were most likely to be shedding BCV. Bovine coronavirus was isolated from both healthy and sick calves, but not from sick calves after 4 d arrival at the feedlot. Bovine coronavirus (BCV) should be considered along with other bovine respiratory viruses in the diagnosis of etiologies in bovine respiratory disease, especially for animals that become sick shortly after arrival. If approved vaccines are developed, it would be best to carry out vaccination programs before calves are weaned, giving them sufficient time to gain active immunity before commingling with other cattle.
Url:
PubMed: 22210995
PubMed Central: 3122965
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Payton</name></author><author><name sortKey="Cook, Billy J" sort="Cook, Billy J" uniqKey="Cook B" first="Billy J." last="Cook">Billy J. Cook</name></author><author><name sortKey="Burken, Dirk" sort="Burken, Dirk" uniqKey="Burken D" first="Dirk" last="Burken">Dirk Burken</name></author><author><name sortKey="Richards, Chris J" sort="Richards, Chris J" uniqKey="Richards C" first="Chris J." last="Richards">Chris J. Richards</name></author><author><name sortKey="Confer, Anthony W" sort="Confer, Anthony W" uniqKey="Confer A" first="Anthony W." last="Confer">Anthony W. Confer</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">22210995</idno><idno type="pmc">3122965</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3122965</idno><idno type="RBID">PMC:3122965</idno><date when="2011">2011</date><idno type="wicri:Area/Pmc/Corpus">000424</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000424</idno><idno type="wicri:Area/Pmc/Curation">000424</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000424</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Bovine coronavirus (BCV) infections in transported commingled beef cattle and sole-source ranch calves</title><author><name sortKey="Fulton, Robert W" sort="Fulton, Robert W" uniqKey="Fulton R" first="Robert W." last="Fulton">Robert W. Fulton</name></author><author><name sortKey="Step, Douglas L" sort="Step, Douglas L" uniqKey="Step D" first="Douglas L." last="Step">Douglas L. Step</name></author><author><name sortKey="Wahrmund, Jackie" sort="Wahrmund, Jackie" uniqKey="Wahrmund J" first="Jackie" last="Wahrmund">Jackie Wahrmund</name></author><author><name sortKey="Burge, Lurinda J" sort="Burge, Lurinda J" uniqKey="Burge L" first="Lurinda J." last="Burge">Lurinda J. Burge</name></author><author><name sortKey="Payton, Mark E" sort="Payton, Mark E" uniqKey="Payton M" first="Mark E." last="Payton">Mark E. Payton</name></author><author><name sortKey="Cook, Billy J" sort="Cook, Billy J" uniqKey="Cook B" first="Billy J." last="Cook">Billy J. Cook</name></author><author><name sortKey="Burken, Dirk" sort="Burken, Dirk" uniqKey="Burken D" first="Dirk" last="Burken">Dirk Burken</name></author><author><name sortKey="Richards, Chris J" sort="Richards, Chris J" uniqKey="Richards C" first="Chris J." last="Richards">Chris J. Richards</name></author><author><name sortKey="Confer, Anthony W" sort="Confer, Anthony W" uniqKey="Confer A" first="Anthony W." last="Confer">Anthony W. Confer</name></author></analytic><series><title level="j">Canadian Journal of Veterinary Research</title><idno type="ISSN">0830-9000</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>This study investigated bovine coronavirus (BCV) in both beef calves direct from the ranch and commingled, mixed-source calves obtained from an auction market. The level of BCV-neutralizing antibodies found in the calves varied among ranches in 2 different studies in a retained-ownership program (ROP), from the ranch to the feedlot. Calves with low levels of BCV-neutralizing antibodies (16 or less) were more likely to be treated for bovine respiratory disease (BRD) than those with higher titers. In 3 studies of commingled, mixed-source calves, BCV was recovered from calves at entry to the feedlot and the infections were cleared by day 8. The BCV was identified in lung samples [bronchoalveolar lavage (BAL) collection] as well as in nasal swabs. Calves with low levels of BCV-neutralizing antibodies at entry were most likely to be shedding BCV. Bovine coronavirus was isolated from both healthy and sick calves, but not from sick calves after 4 d arrival at the feedlot. Bovine coronavirus (BCV) should be considered along with other bovine respiratory viruses in the diagnosis of etiologies in bovine respiratory disease, especially for animals that become sick shortly after arrival. If approved vaccines are developed, it would be best to carry out vaccination programs before calves are weaned, giving them sufficient time to gain active immunity before commingling with other cattle.</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 J Vet Res</journal-id><journal-title-group><journal-title>Canadian Journal of Veterinary Research</journal-title></journal-title-group><issn pub-type="ppub">0830-9000</issn><publisher><publisher-name>Canadian Veterinary Medical Association</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">22210995</article-id><article-id pub-id-type="pmc">3122965</article-id><article-id pub-id-type="publisher-id">cjvr_03_191</article-id><article-categories><subj-group subj-group-type="heading"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>Bovine coronavirus (BCV) infections in transported commingled beef cattle and sole-source ranch calves</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Fulton</surname><given-names>Robert W.</given-names></name><xref ref-type="corresp" rid="c1-cjvr_03_191"></xref></contrib><contrib contrib-type="author"><name><surname>Step</surname><given-names>Douglas L.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Wahrmund</surname><given-names>Jackie</given-names></name></contrib><contrib contrib-type="author"><name><surname>Burge</surname><given-names>Lurinda J.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Payton</surname><given-names>Mark E.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Cook</surname><given-names>Billy J.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Burken</surname><given-names>Dirk</given-names></name></contrib><contrib contrib-type="author"><name><surname>Richards</surname><given-names>Chris J.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Confer</surname><given-names>Anthony W.</given-names></name></contrib><aff id="af1-cjvr_03_191">Department of Veterinary Pathobiology (Fulton, Burge, Confer), Department of Veterinary Clinical Sciences (Step), Department of Animal Sciences (Wahrmund, Burken, Richards), and Department of Statistics (Payton), Oklahoma State University, Stillwater, Oklahoma 74078, USA; Agricultural Division, The Noble Foundation, Ardmore, Oklahoma 73401, USA (Cook)</aff></contrib-group><author-notes><corresp id="c1-cjvr_03_191">Address all correspondence to Dr. Robert W. Fulton; telephone: 405-744-8170; fax: 405-744-5275; e-mail: <email>robert.fulton@okstate.edu</email></corresp></author-notes><pub-date pub-type="ppub"><month>7</month><year>2011</year></pub-date><volume>75</volume><issue>3</issue><fpage>191</fpage><lpage>199</lpage><history><date date-type="received"><day>27</day><month>7</month><year>2010</year></date><date date-type="accepted"><day>27</day><month>9</month><year>2010</year></date></history><permissions><copyright-statement>Copyright and/or publishing rights held by the Canadian Veterinary Medical Association</copyright-statement><copyright-year>2011</copyright-year></permissions><abstract><p>This study investigated bovine coronavirus (BCV) in both beef calves direct from the ranch and commingled, mixed-source calves obtained from an auction market. The level of BCV-neutralizing antibodies found in the calves varied among ranches in 2 different studies in a retained-ownership program (ROP), from the ranch to the feedlot. Calves with low levels of BCV-neutralizing antibodies (16 or less) were more likely to be treated for bovine respiratory disease (BRD) than those with higher titers. In 3 studies of commingled, mixed-source calves, BCV was recovered from calves at entry to the feedlot and the infections were cleared by day 8. The BCV was identified in lung samples [bronchoalveolar lavage (BAL) collection] as well as in nasal swabs. Calves with low levels of BCV-neutralizing antibodies at entry were most likely to be shedding BCV. Bovine coronavirus was isolated from both healthy and sick calves, but not from sick calves after 4 d arrival at the feedlot. Bovine coronavirus (BCV) should be considered along with other bovine respiratory viruses in the diagnosis of etiologies in bovine respiratory disease, especially for animals that become sick shortly after arrival. If approved vaccines are developed, it would be best to carry out vaccination programs before calves are weaned, giving them sufficient time to gain active immunity before commingling with other cattle.</p></abstract><trans-abstract xml:lang="fr"><title>Résumé</title><p>L’objectif de la présente étude était d’enquêter sur le coronavirus bovin (BCV) chez les veaux d’embouche directement à la ferme et chez des veaux mis en groupe et provenant de sources variées obtenus à l’encan. Le titre d’anticorps neutralisant anti-BCV trouvé chez les veaux variait parmi les élevages dans 2 études différentes dans un programme de propriété retenue (ROP) de l’élevage au parc d’engraissement. Les veaux avec des titres d’anticorps neutralisants anti-BCV faibles, 16 ou moins, étaient plus susceptibles à être traités pour des maladies respiratoires bovines (BRD) que ceux avec des titres plus élevés. Dans 3 études sur des veaux provenant de sources variées, le BCV a été retrouvé chez les veaux à l’entrée en parc d’engraissement et l’infection était éliminée au jour 8. Le BCV a été identifié à partir d’échantillons pulmonaires [lavage bronchoalvéolaire (BAL)] ainsi que d’écouvillons nasaux. Les veaux avec des titres d’anticorps anti-BCV faibles à l’entrée étaient plus susceptibles d’excréter du BCV. Du BCV a été isolé à partir de veaux en santé et malades, mais pas à partir de veaux malades 4 jours après leur arrivée. Le BCV devrait être considéré au même titre que les autres virus respiratoires bovins comme agent étiologique lors du diagnostic des maladies respiratoires bovines, spécialement chez les animaux qui deviennent malades peu de temps après leur arrivée en parc d’engraissement. Si des vaccins approuvés sont développés, il serait approprié d’effectuer les programmes de vaccination avant que les veaux ne soient sevrés, ce qui leurs donnerait suffisamment de temps pour acquérir une immunité active avant d’être mélangé avec d’autres veaux.</p><p>(Traduit par Docteur Serge Messier)</p></trans-abstract></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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